5-methyl-6-phenylsulfanyl-1-(propoxymethyl)pyrimidine-2,4-dione

N-[1-[(2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-methoxyoxolan-2-yl]-5-methyl-2-oxopyrimidin-4-yl]benzamide

2,4-Dichloro-5-(trichloromethyl)pyrimidine

5-hydroxy-5-methyl-2,4-dioxoimidazolidine-1-carbaldehyde

5-羟基-5-甲基海因