156306-84-2 6,8-Bis(4-(dimethylamino)benzyl)-1,4-dihydroxy-7H-benzo[a]cyclohepten-7-one 6,8-Bis(p-dimethylaminobenzyl)-1, 4-dihydroxy-benzocyclohepten-7-one AIDS-147152 AIDS147152 NSC676441