2,9-Bis(p-anisyl)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10(2H,9H)-tetrone 52276-77-4 55777-33-8 60083-91-2 6424-77-7 Anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10(2H,9H)-tetrone, 2,9-bis(4-methoxyphenyl)- EINECS 229-187-9