1. Towards new boundaries

   • V. F. Burtsev

   Announcement Pages: 183 - 185

2. Cyclic ammonium cations

   • A. N. Kost
   • N. V. Baranova
   • A. S. Voyakin

   Search for New Drugs Pages: 186 - 189

3. Synthesis of 2-[β-dialkylaminoethyl]-1,2,3,4-tetrahydroquinolines

   • V. F. Vasil'eva
   • R. A. Zagrutdinova
   • I. M. Sharapov

   Search for New Drugs Pages: 190 - 192

4. Study of products of esterification of levomycetin at the primary hydroxyl group

   • L. B. Sokolov
   • K. M. Nichugovskaya
   • M. S. Polyak

   Search for New Drugs Pages: 193 - 195

5. Guanidine derivatives of pyrimidine

   • V. A. Portnyagina
   • V. F. Danilenko

   Search for New Drugs Pages: 196 - 198

6. Laboratory apparatus for continuous nitration of 2-methyl-4-methoxymethyl-5-cyano-6-hydroxypyridine

   • N. V. Lobanov
   • G. N. Dan'ko
   • K. G. Krylova

   Technology Pages: 199 - 201

7. Steroids

   • E. M. Dolginova
   • M. K. Polievktov
   • N. N. Suvorov

   Technology Pages: 202 - 206

8. Use of a centrifugal separator for mycelium separation in streptomycin production

   • A. M. Ziserman
   • É. S. Korzhenevskii
   • E. S. Gal'tseva

   Technology Pages: 207 - 211

9. Investigation of the hydraulic resistance of a layer of swollen poppy raw material

   • A. M. Plyashkevich
   • M. I. Lakoza
   • A. P. Zakharychev

   Technology Pages: 212 - 215

10. Corrosion-resistant alloy for reactors for preparing piperazine

    • Yu. P. Aronson
    • G. L. Shvarts
    • G. I. Gerasimenko

    Technology Pages: 216 - 218

11. Experience in the industrial production of ethoxide in the “Farmacon” plant

    • Yu. A. Ostrovskaya
    • A. I. Adamovich
    • A. S. Sarenko

    Technology Pages: 219 - 221

12. Stability of d-cycloserine in aqueous solutions at low concentrations

    • A. P. Kondrat'eva
    • B. P. Bruns
    • G. S. Libinson

    Technology Pages: 222 - 225

13. Pneumatic charging-transporting device for machines and flow lines for the production of tableted preparations

    • V. K. Bityukov

    Mechanization and Automation Pages: 226 - 231

14. Quantitative determination of solasodine in lobed nightshade leaves

    • E. A. Tukalo
    • G. N. Tsarik

    Analytical Methods and Quality Control Pages: 232 - 233

15. Determination of iodine in organic compounds

    • V. M. Rakova

    Analytical Methods and Quality Control Pages: 234 - 235

16. Chromatographic behavior and configuration of diastereomers

    • L. N. Mikhailova
    • A. A. Chemerisskaya
    • M. N. Preobrazhenskaya

    Analytical Methods and Quality Control Pages: 236 - 241

17. Determination of the dissociation constants of antibiotic electrolytes by paper chromatography

    • D. E. Dykhovichnaya
    • B. N. Bondarenko
    • Yu. V. Rann

    Analytical Methods and Quality Control Pages: 242 - 243

18. Sydnophene-a new psychostimulator

    • R. A. Al'tshuler
    • O. N. Volzhina
    • V. G. Yashunskii

    New Medicinal Preparations Pages: 244 - 246