51116-33-7 54785-54-5 BENZO(c)PHENANTHRIDINIUM, 5-METHYL-2,3,8,9-TETRAMETHOXY-, METHYL SULFATE Benzo(c)phenanthridinium, 2,3,8,9-tetramethoxy-5-methyl-, methyl NSC 166720 O-Methylfagaronine methosulfate