1. Chromone Alkaloids: Structural Features, Distribution in Nature, and Biological Activity

   • S. P. Bondarenko
   • M. S. Frasinyuk

   OriginalPaper 18 April 2019 Pages: 201 - 234

   

2. Determination of the Inhibitory Activity of Ferula sinkiangensis Polysaccharides for Protein Tyrosine Phosphatase 1B

   • S. Wulamu
   • H. Yimamu
   • H. A. Aisa

   OriginalPaper 15 April 2019 Pages: 235 - 238

3. Pectinic Substances from Phaseolus vulgaris Shells

   • A. E. Eshbekov
   • R. K. Rakhmanberdyeva
   • M. Kh. Malikova

   OriginalPaper 15 April 2019 Pages: 239 - 241

4. Composition of Fatty Acids, Tocopherols, Sterols, Total Phenolics, and Antioxidant Activity of Seed Oils of Afzelia xylocarpa and Cassia fistula

   • Doan Lan Phuong
   • Nguyen Thi Thuy
   • Tran Dinh Thang

   OriginalPaper 15 April 2019 Pages: 242 - 246

5. Antimicrobial and Antioxidant Potential of Berberisinol, a New Flavone from Berberis baluchistanica

   • Samreen Pervez
   • Muhammad Saeed
   • Irfan Ullah

   OriginalPaper 17 April 2019 Pages: 247 - 251

   

6. A New Flavonol Glycoside from the Fruits of Cercidiphyllum japonicum

   • Chuan-Ling Si
   • Shilin Chen
   • Shujun Han

   OriginalPaper 15 April 2019 Pages: 252 - 255

   

7. New Flavonoids and Turkesterone-2-O-Cinnamate from Leaves of Rhaponticum uniflorum

   • D. N. Olennikov
   • N. I. Kashchenko

   OriginalPaper 23 April 2019 Pages: 256 - 264

   

8. Neuroprotective Aurones from Sophora japonica

   • Qinge Ma
   • Rongrui Wei
   • Zhipei Sang

   OriginalPaper 15 April 2019 Pages: 265 - 268

   

9. Synthesis of Aminoalkylated Aziridines from (+)-3-Carene

   • S. N. Curlat
   • A. N. Barba
   • F. Z. Macaev

   OriginalPaper 24 April 2019 Pages: 269 - 274

   

10. A New Nonglycosidic Iridoid from Aerial Parts of Gelsemium elegans

    • Bai Bai
    • Shi-yi Peng
    • Zhi-min Zhao

    OriginalPaper 15 April 2019 Pages: 275 - 277

    

11. Two New Sesquiterpenes from the Roots of Taraxacum coreanum

    • Jong Hoon Ahn
    • Eun Jin Mo
    • Mi Kyeong Lee

    OriginalPaper 15 April 2019 Pages: 278 - 280

    

12. Two New Sesterterpenes from Marine-Derived Fungus Arthrinium sp.

    • Bin Ye
    • Wangjing Ding
    • Jinzhong Xu

    OriginalPaper 17 April 2019 Pages: 281 - 284

    

13. Sinulaflexiolide P, A Cembrane-Type Diterpenoid from Bornean Soft Coral Sinularia flexibilis

    • Chin-Soon Phan
    • Chun-Sieng Yee
    • Takashi Kamada

    OriginalPaper 17 April 2019 Pages: 285 - 288

    

14. A New Triterpenoid from the Bulbs of Lilium speciosum var. gloriosoides

    • Wen Chen
    • Hui Zhang
    • Xiaojian Hu

    OriginalPaper 17 April 2019 Pages: 289 - 291

    

15. Triterpenoids from Phytolacca acinosa

    • Xiao-Pan Ma
    • Hua-Yong Lou
    • Wei-Dong Pan

    OriginalPaper 24 April 2019 Pages: 292 - 295

    

16. Camaridin, a New Triterpenoid from Roots of Lantana camara

    • Syed Nawazish Ali
    • Omema Hasan Mustafvi
    • Bina S. Siddiqui

    OriginalPaper 15 April 2019 Pages: 296 - 299

    

17. New Conjugates of Betulin with 2-Aminoethanesulfonic Acid

    • N. G. Komissarova
    • S. N. Dubovitskii
    • O. V. Shitikova

    OriginalPaper 15 April 2019 Pages: 300 - 304

    

18. Two New Pairs of Epimeric Pyrrolizidine Alkaloids from Liparis nervosa

    • Lin Chen
    • Jing Li
    • Xianli Zhou

    OriginalPaper 17 April 2019 Pages: 305 - 308

    

19. Chemical Constituents of the Endophytic Fungus Ophiocordyceps sobolifera

    • Kuan-Ju Feng
    • Ming-Jen Cheng
    • Hsun-Shuo Chang

    OriginalPaper 17 April 2019 Pages: 309 - 312

    

20. Fatty Acid Composition of Different Quercus Species

    • Mahmut Kaplan
    • Kagan Kokten
    • Akife Dalda Sekerci

    BRIEF COMMUNICATIONS 15 April 2019 Pages: 313 - 315

21. Chemical Constituents of Dolomiaea berardioidea

    • Ying-ying Huang
    • Yang-guo Xie
    • Hui-zi Jin

    OriginalPaper 17 April 2019 Pages: 316 - 317

    

22. Phenylpropanoid Glycosides and Flavonolignans from Lancea tibetica

    • Weidong Wang
    • Yanduo Tao
    • Jun Dang

    OriginalPaper 17 April 2019 Pages: 318 - 321

23. Occurrence of Plumbagin and 7-Methyljuglone in the Patagonian Sundew Drosera uniflora

    • V. Sanhueza
    • V. Fajardo
    • P. Cuadra

    OriginalPaper 17 April 2019 Pages: 322 - 323

24. Chemical Constituents of the Twigs of Elaeocarpus sylvestris

    • Lei Wu
    • Jing Wu
    • Ju-Wu Hu

    OriginalPaper 17 April 2019 Pages: 324 - 326

    

25. Secondary Metabolites and their Bioactivities from the Gorgonian-Derived Fungus Aspergillus versicolor

    • Ya-Hui Zhang
    • Xue-Mei Hou
    • Chang-Yun Wang

    OriginalPaper 23 April 2019 Pages: 327 - 330

    

26. Chemical Constituents of Polygonatum sibiricum

    • Cheng Tang
    • Yaming Yu
    • Shengan Tang

    OriginalPaper 17 April 2019 Pages: 331 - 333

    

27. Chemical Constituents of the Leaves of Elaeagnus grandifolia

    • Y. S. Tsai
    • C. T. Chen
    • C. Y. Chen

    OriginalPaper 17 April 2019 Pages: 334 - 336

28. Phenolic Components of the Aerial Parts of Achillea alpina

    • Qing Zhang
    • Qiqi Zhou
    • Yucheng Gu

    OriginalPaper 17 April 2019 Pages: 337 - 339

29. Additional Chemical Constituents of an Endophytic Fungus Xylaria papulis

    • Ming-Jen Cheng
    • Ming-Der Wu
    • Hsiu-Shan Wu

    OriginalPaper 17 April 2019 Pages: 340 - 342

30. Chemical Constituents of the Aerial Part of Zingiber officinale

    • Guang-yue Xie
    • Ya Wang
    • Jun Chang

    OriginalPaper 17 April 2019 Pages: 343 - 344

31. Secondary Metabolites from the Twigs of Cinnamomum camphora

    • Lei Wu
    • Wei Xiong
    • Young-Soo Bae

    OriginalPaper 17 April 2019 Pages: 345 - 347

32. Phenolic Compounds from the Aerial Part of Geranium transversale and Their Antimicrobial Activity

    • D. R. Siddikov
    • Kh. M. Bobakulov
    • Sh. S. Azimova

    OriginalPaper 15 April 2019 Pages: 348 - 350

33. Chemical Constituents of Mentha haplocalyx

    • Lei Su
    • Yue-ming Wang
    • Bin Liu

    OriginalPaper 17 April 2019 Pages: 351 - 353

34. The Essential Oils of Four Endemic Salvia Species in Turkey

    • M. Kurkcuoglu
    • A. Duran
    • K. H. C. Baser

    OriginalPaper 18 April 2019 Pages: 354 - 358

35. Composition of Volatile Oils from Duranta repens Leaves and Fruits

    • P. S. Thomas
    • E. E. Essien
    • G. Flamini

    OriginalPaper 15 April 2019 Pages: 359 - 360

36. Constituents of Essential Oil of Zingiber nudicarpum from Vietnam

    • Nguyen D. Hung
    • Le T. Huong
    • Isiaka A. Ogunwande

    OriginalPaper 15 April 2019 Pages: 361 - 363

37. Carotenoid Profile and Antiradical Properties of Brown Seaweed Sargassum miyabei Extracts

    • O. V. Tabakaeva
    • A. V. Tabakaev

    OriginalPaper 15 April 2019 Pages: 364 - 366

38. Secondary Metabolites from Two Plectranthus Species

    • Muneera S. M. Al-Saleem
    • Merajuddin Khan
    • Hamad Z. Alkhathlan

    OriginalPaper 18 April 2019 Pages: 367 - 369

39. Synthesis of α,β-Unsaturated Ketones from Natural Triterpenoids and Sterol by IBX Mediated Oxidation

    • Yu-jiao Liu
    • Guo-li Huang
    • Ye-gao Chen

    OriginalPaper 17 April 2019 Pages: 370 - 372

    

40. Chemical Constituents of Fruit Body of Armillaria luteo-virens

    • Lijin Jiao
    • Yanduo Tao
    • Jun Dang

    OriginalPaper 15 April 2019 Pages: 373 - 375

41. Chemical Constituents of Artabotrys petelotii

    • Nguyen Thi Tu Oanh
    • Le Nguyen Thanh
    • Nguyen Thi Minh Hang

    OriginalPaper 22 April 2019 Pages: 376 - 378

42. Chemical Constituents of Hedyotis ampliflora

    • Nguyen Thi Hoang Anh
    • Khieu Thi Tam
    • Tran Van Sung

    OriginalPaper 18 April 2019 Pages: 379 - 381

    

43. Chemical Constituents of the Plant Antidesma ghaesembilla

    • Rhanney L. Gonzales
    • Chien-Chang Shen
    • Consolacion Y. Ragasa

    OriginalPaper 17 April 2019 Pages: 382 - 385

    

44. Acylated Triterpenoids, Flavonoids, and Lignans Isolated from the Stems of Tetracera loureiri

    • Changon Seo
    • Ji Eun Lee
    • Seong Su Hong

    OriginalPaper 17 April 2019 Pages: 386 - 389

    

45. Highly Oxidized Ergosterol Derivatives from the Fungus Nigrospora oryzae

    • Jiaxiao Yao
    • Yuanmei Shi
    • Fan Yang

    OriginalPaper 18 April 2019 Pages: 390 - 392

46. Phytoecdysteroids from the Plant Dianthus helenae

    • U. Yu. Yusupova
    • D. A. Usmanov
    • N. Sh. Ramazonov

    OriginalPaper 17 April 2019 Pages: 393 - 394

    

47. Pyridone Alkaloids from the Leaves of Ricinus communis and Their Inhibitory Effect Against Protein Tyrosine Phosphatase 1B

    • Ya-Nan Tan
    • Jin Zeng
    • Qin-Gang Tan

    OriginalPaper 15 April 2019 Pages: 395 - 397

    

48. An Efficient Synthetic Method for N-Alkylcytisines

    • I. M. Sakhautdinov
    • A. F. Mukhamet’yanova
    • M. S. Yunusov

    OriginalPaper 15 April 2019 Pages: 398 - 399

    

49. Index of Natural Objects

    News 15 April 2019 Pages: 400 - 400