1-(Cyclohexyl)-2-thio-4,4,6-trimethyldihydropyrimidine 18957-54-5 2(1H)-Pyrimidinethione, 1-cyclohexyl-3,4-dihydro-4,4,6-trimethyl- 4-24-00-00133 (Beilstein Handbook Reference) AI3-24573 BRN 0171639 NSC 5814 USAF K-1861