7,12-Bis(acetyloxy)-5,6-dimethyl-2,3,9,10-tetramethoxybenzo(b)phenanthridinium perchlorate 7,12-Diacetoxy-5,6-dimethyl-2,3,9,10-tetramethoxybenzo(b)phenanthridinium perchlorate 98207-92-2 BENZO(b)PHENANTHRIDINIUM, 7,12-BIS(ACETYLOXY)-5,6-DIMETHYL-2,3,9,10-TETRAMETHOXY Benzo(b)phenanthridinium, 7,12-bis(acetyloxy)-5,6-dimethyl-2,3,9,10-tetramethoxy-, perchlorate