Catalysis of the reaction of aminopyrine and nitrite by thiocyanate.
D000632:Aminopyrine; D002273:Carcinogens; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D004305:Dose-Response Relationship, Drug; D004347:Drug Interactions; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D009573:Nitrites; D009602:Nitrosamines / Q000138:chemical synthesis; D012463:Saliva / Q000378:metabolism; D012907:Smoking; D013861:Thiocyanates; D013997:Time Factors
D002273:Carcinogens; D009573:Nitrites; D009602:Nitrosamines; D013861:Thiocyanates; D000632:Aminopyrine