Bispyribac
 Bispyribac-sodium
 Pyribenzoxim
 Pyrithiobac
 Pyrithiobac-sodium
 2-Thiobarbituric acid sodium salt
 4,6-Dihydroxy-2-mercaptopyrimidine
 4,6-Dihydroxy-2-methythiopyrimidine
 4,6-Dichloro-2-(methylthio)pyrimidine
 4,6-Dimethoxy-2-methylthiopyrimidine
 2-Methylsulfonyl-4,6-dimethoxypyrimidine
 2-Methylsulfonyl-4,6-dimethoxypyrimidine
 4,6-Dimethoxy-2-mercaptopyrimidine
 2-Chloro-4,6-dimethoxypyrimidine
 2-Amino-4,6-dimethoxypyrimidine
 2-Amino-4,6-dihydroxypyrimidine
 2-Amino-4,6-dichloropyrimidine
 4-Pyrimidinol, 2,6-diamino- (9CI)
 4-Chloro-2,6-diaminopyrimidine
 Fenclorim
 Thidiazuron
 5-Amino-1,2,3-thiadiazole
 Methylenaminoacetonitrile
 Oxasulfuron
 3-Hydroxyoxetane
 Methyl 3-aminosulfonylthiophene-2-carboxylate
 2,6-Dihydroxybenzoic acid
 2-Amino-6-chlorobenzoic acid