2,2'-((4,4'-Bipiperidine)-1,1'-diyldi-2,1-ethanediyl)bis(10-methoxy-7H-pyrido(4,3-c)carbazolium) 72250-86-3 74517-42-3 75413-56-8 7H-Pyrido(4,3-c)carbazolium, 2,2'-((4,4'-bipiperidine)-1,1'-diyldi-2,1-ethanediyl)bis(10-methoxy- 82765-18-2 99465-99-3 Ditercalinio [Spanish] Ditercalinium NSC 335153