1. Labor donated by the collective of the L. Ya. Karpov Chemical-Pharmaceutical Factory, Moscow

   • Z. I. Shelomova
   • N. N. Petrova
   • S. K. Samokhin

   The Centenary of V. I. Lenin's Birth Pages: 619 - 620

2. Synthesis of tertiary furan amines of the type 1-(α-furyl)-3-dimethylaminopropane

   • A. A. Ponomarev
   • I. M. Skvortsov
   • N. I. Ivanova

   Chemistry Pages: 621 - 625

3. Synthesis of 4-thionothiazolidine sulfones with potential antitubercular activity

   • B. E. Zhitar
   • S. N. Baranov

   Chemistry Pages: 626 - 628

4. Synthesis of some N- and C-derivatives of hydrogenated acridines

   • V. G. Ermolaeva
   • V. G. Yashunskii

   Chemistry Pages: 629 - 630

5. Nystatin. IV. The heptaene component of samples of nystatin-nursimicin

   • Yu. D. Shenin
   • T. V. Kotenko
   • A. N. Egorenkova

   Chemistry Pages: 631 - 634

6. Alkylating action of some 2- and 6-alkoxypurines

   • V. S. Korsunskii
   • O. V. Kozlova
   • E. S. Golovchinskaya

   Chemistry Pages: 635 - 640

7. Studies in the quinone field XLVI. Synthesis of thioethers and sulfones in the 5-hydroxyindole series

   • F. A. Trofimov
   • N. G. Tsyshkova
   • K. S. Shadurskii

   Chemistry Pages: 641 - 644

8. Some N-aminopropyl and N-aminopropionyl derivatives of 3-substituted diphenylamines

   • V. V. Shavyrina
   • Z. I. Ermakova

   Chemistry Pages: 645 - 648

9. Optimizing the extraction of 2-aminopyrimidine

   • T. T. Filippos'yants
   • Z. E. Pozdnyakova
   • M. A. Veksler

   Technology Pages: 649 - 651

10. Possibilities of controlling foaming of culture fluids by varying the composition of the nutrient media

    • R. D. Soifer
    • S. V. Gorskaya
    • V. V. Biryukov

    Technology Pages: 652 - 654

11. Sorption-desorption of streptomycin in an ion exchange filter of variable cross section with drainage devices

    • E. P. Ermakov
    • V. I. Rumyantsev
    • L. A. Sharykin

    Technology Pages: 655 - 656

12. Use of ion exchange resins for the separation of glycoalkaloids of Solanum lacianatum

    • L. G. Andreeva
    • L. G. Demina
    • M. A. Romanchuk

    Technology Pages: 657 - 660

13. Drying thiamine bromide (vitamin B₁) in the suspended state

    • N. M. Kondrat'eva
    • A. A. Sokolovskii
    • K. B. Novikova

    Technology Pages: 661 - 664

14. Jet-spray apparatus for drying licorice root extract

    • V. V. Davituliani
    • V. I. Ganuchukov

    Technology Pages: 665 - 667

15. Simplex design of the experiment for developing optimum conditions of analysis of thiphen and diprophen by two-side differential spectrophotometry

    • V. G. Belikov
    • I. N. Kokovkin-Shcherbak
    • I. Ya. Kul'

    Technology Pages: 668 - 671

16. Deformation of granules in the process of tablet pressing

    • V. I. Egorova
    • B. A. Loksin

    Technology Pages: 672 - 675