5,5,7-trimethyl-4,6-dihydro-2H-1,2,4-triazepine-3-thione

7,7,8a-trimethyl-2,3,6,8-tetrahydro-[1,3]oxazolo[3,2-c]pyrimidine-5-thione

3,3,4a-trimethyl-1-sulfanylidene-2,4-dihydropyrimido[1,6-a][3,1]benzoxazin-6-one

methyl N-(4-hydroxy-2-methylpentan-2-yl)carbamodithioate

1-methyl-1-(methylamino)-3-(2-methyl-4-oxopentan-2-yl)thiourea