41276-23-7 Benzenesulfonamide, 2-chloro-5-[[2,3,6,8,9,10-hexahydro-10-[(2-methylphenyl)methyl]-5-oxoimidazo[1,2-a]pyrido[4,3-d]pyrimidin 7(5H)-yl]sulfonyl]- Benzenesulfonamide, 2-chloro-5-[[2,3,6,8,9,10-hexahydro-10-[(2-methylphenyl)methyl]-5-oxoimidazo[1,2-a]pyrido[4,3-d]pyrimidin-7(5H)-yl]sulfonyl]- NSC281199