5H-Naphtho(2,3-c)naphth(2',3':6,7)indolo(3,2-a)acridine-5,11,14,19,21-pentone, 7,9-dichloro-6,20-dihydro- 7,9-Dichloro-6,20-dihydro-5H-naphtho(2,3-c)naphth(2',3':6,7)indolo(3,2-a)acridine-5,11,14,19,21-pentone 73287-57-7 EINECS 277-357-6