3,3-Bis[2,2-bis[4-(1-pyrrolidinyl)phenyl]vinyl]-4,5,6,7-tetrabromophthalide

3,3-Bis[2,2-bis[4-(1-pyrrolidinyl)phenyl]ethenyl]-4,5,6,7-tetrabromo-1(3H)-isobenzofuranone