2,7-bis(4-hydroxyphenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone

2,7-bis(4-hydroxyphenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone · CAS 49546-05-6