4-Cyclohexyl-2-mercapto-6-oxo-1,6-dihydropyrimidine-5-carbonitrile290313-19-8100 % similar 3-Cyano-4,6-dimethyl-2-hydroxypyridine769-28-832 % similar 2,8-Dimercapto-6-hydroxypurine15986-32-032 % similar 6-Methyl-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile654-49-931 % similar 2-Mercapto-4(3H)-quinazolinone13906-09-731 % similar