5-(氨基甲基)-2-甲基-4(1H)-嘧啶酮

5-羟基甲基-2-甲基嘧啶-4-醇

ethyl 2-(2-methyl-6-oxo-1H-pyrimidin-5-yl)acetate

(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-yl)-acetic acid hydrazide

(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-carbamic acid ethyl ester