1. Bis-quaternary ammonium curare-like compounds with a rigid molecular structure

   • N. V. Khromov-Borisov
   • M. L. Indenbom
   • A. F. Danilov

   OriginalPaper Pages: 515 - 519

2. Synthesis and certain biological properties of arylbutenyl derivatives of piperidine

   • N. I. Ganushchak
   • G. T. Pis'ko
   • V. I. Zaporozhets

   OriginalPaper Pages: 520 - 522

3. Synthesis and investigation of bactericidal activity of hexamethylenimmonium derivatives of 2, 5-dihalothiophenols

   • A. M. Kuliev
   • F. Yu. Rachinskii
   • T. G. Potapenko

   OriginalPaper Pages: 523 - 525

4. Synthesis of carbon-14-labeled 9-[2-(4-pyridyl)ethyl]-3, 6-dimethyl-1,2,3,4-tetrahydro-γ-carboline

   • N. G. Tsyshkova
   • F. A. Trofimov

   OriginalPaper Pages: 526 - 527

5. Synthesis and pharmacological study of polyalkylquinuclidines

   • A. I. Levkoeva
   • E. S. Nikitskaya
   • L. N. Yakhontov

   OriginalPaper Pages: 528 - 533

6. Synthesis of D-homopantothenic acid

   • V. M. Kopelevich
   • G. S. Evdokimova
   • L. M. Shmuilovich

   OriginalPaper Pages: 534 - 536

7. Water-soluble amides and esters of substituted benzofuran-2-carboxylic acids

   • D. A. Zykov
   • G. A. Markova
   • V. A. Zagorevskii

   OriginalPaper Pages: 537 - 541

8. Synthesis and antimicrobial activity of some new quaternary ammonium compounds of the aliphatic-aromatic series

   • A. I. Lopushanskii
   • A. I. Shnarevich
   • G. K. Palii

   OriginalPaper Pages: 542 - 545

9. Improvement of the method for the production of 2-(p-aminophenylsulfamido)-5-ethyl-1,3,4-thiodiazole (Etazol)

   • T. N. Nikulina
   • V. S. Onoprienko
   • V. A. Zasoov

   Technology Pages: 546 - 548

10. Use of ion-exchange resins in the production of chemicopharmaceutical preparations

    • G. N. Al'tshuler
    • L. A. Sapozhnikova

    Technology Pages: 549 - 551

11. Stability of 6-aminopenicillanic acid in aqueous solutions with low and medium concentration

    • G. S. Libinson

    Technology Pages: 552 - 555

12. A process for obtaining ergosterol from yeasts. Part II

    • B. V. Passet
    • N. A. Kogan
    • L. G. Seleznev

    Technology Pages: 556 - 558

13. Methods of planning experiments

    • V. V. Biryukov

    Technology Pages: 559 - 561

14. Optimization of processes for obtaining medicinals by mathematical-statistical methods

    • M. F. Gerasimova
    • E. V. Markova
    • V. A. Zavad'e

    Technology Pages: 562 - 565

15. Improving the quality of ascorbic acid

    • B. I. Grigorashvili
    • N. S. Zolotarev
    • A. D. Khafizova

    Technology Pages: 566 - 568

16. Improving the technology of annealing glass ampules

    • V. M. Skorik
    • V. Ya. Kovlyga

    Technology Pages: 569 - 570

17. Ultrasonic semiautomatic device with a pneumatic hoist for washing ampules

    • G. G. Stolyarova
    • A. L. Larin
    • A. I. Terekhov

    Mechanization and Automation Pages: 571 - 572

18. Determination of sulfur-containing stabilizers in aqueous extracts from polymeric materials

    • V. N. Kotova
    • M. P. Strukova
    • B. S. Él'tsefon

    Methods of Analysis and Control of Manufacture Pages: 573 - 575

19. Determination of ionization constants of streptomycin by the indicator method

    • P. S. Nys
    • E. M. Savitskaya
    • T. S. Kolygina

    Methods of Analysis and Control of Manufacture Pages: 576 - 579