1-(2-(6,8-Disulfonaphthyl))-2-thio-4,4,6-trimethyl dihydropyrimidine 2(1H)-Pyrimidinethione, 3,4-dihydro-1-(2-(6,8-disulfonaphthyl))-4,4,6-trimethyl- 63704-46-1 USAF K-1566