1-(4-methoxyphenyl)-4,5-bis[(4-methoxyphenyl)imino]-3-methylimidazolidine-2-thione

1-[(1R,2R)-2-(dimethylamino)cyclohexyl]-3-methylthiourea

Mth-dl-蛋氨酸

1-methyl-2,5-bis(methylsulfanyl)imidazole

N,3,4,4-tetramethyl-5-methylidene-1,3-thiazolidin-2-imine