Finally, a preparation with the desired properties called C-2 or K-2 (carbylamine choline chloride) was developed.Kristen Laurence, The Murder StoriesBoris Volodarsky, The KGB's Poison Factory, page 34. According to witness testimonies, the victim changed physically, became shorter, weakened quickly, became calm and silent, and died within 15 minutes. Mairanovsky brought to the laboratory people of varied physical condition and ages in order to have a more complete picture about the action of each poison.
