1. P = Se chromophore

   • R. R. Shagidullin
   • A. V. Chernova
   • E. V. Bayandina

   Letters to the Editor Pages: 190 - 190

2. Optically active symmetrically substituted diaziridine

   • R. G. Kostyanovskii
   • A. E. Polyakov
   • V. I. Markov

   Letters to the Editor Pages: 191 - 191

3. New synthesis of bis (triethylgermyl)ketene

   • O. A. Kruglaya
   • I. B. Fedot'eva
   • N. S. Vyazankin

   Letters to the Editor Pages: 192 - 192

4. Reaction of ferricenium trichloropalladate with allyl chloride and with bis-(π-allylpalladium chloride)

   • N. S. Nametkin
   • I. K. Dobrov
   • V. D. Tyurin

   Letters to the Editor Pages: 193 - 193