New nitrosamines.
D000818:Animals; D000970:Antineoplastic Agents / Q000138:chemical synthesis*; D002279:Carcinoma 256, Walker / Q000188:drug therapy*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D046508:Culture Techniques; D009368:Neoplasm Transplantation; D009602:Nitrosamines / Q000138:chemical synthesis* / Q000627:therapeutic use / Q000633:toxicity; D051381:Rats
D000970:Antineoplastic Agents; D009602:Nitrosamines