Anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-2,9-diacetic acid,1,3,8,10-tetrahydro-a2,a9-dimethyl-1,3,8,10-tetraoxo-, (a2S,a9S)-

Anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-2,9-diacetic acid,1,3,8,10-tetrahydro-a2,a9-dimethyl-1,3,8,10-tetraoxo-, (a2S,a9S)-