2,9-Bis(2,6-diisopropylphenyl)-5,6,12,13-tetraphenoxyanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone

2,9-Bis(2,6-diisopropylphenyl)-5,6,12,13-tetraphenoxyanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone,