1-(3-Sulfophenyl)-2-thio-4,4,6-trimethyl dihydropyrimidine 2(1H)-Pyrimidinethione, 3,4-dihydro-1-(3-sulfophenyl)-4,4,6-trimethyl- 2(1H)-Pyrimidinethione, 3,4-dihydro-4,4,6-trimethyl-1-(3-sulfophenyl)- 5423-40-5 Benzenesulfonic acid, 3-(2-mercapto-4,4,6-trimethyl-1(4H)-pyrimidinyl)- NSC5808 Usaf k-1563