ethyl 2-(4-chloro-2-methylpyrimidin-5-yl)acetate

3-(2-hydroxy-ethyl)-pentane-2,4-dione

5-氨基甲基-2-甲基嘧啶-4-胺双盐酸盐

1-acetoxy-2-(2-chloro-4-methyl-thiazol-5-yl)-ethane

5-(2-acetoxy-ethyl)-4-methyl-3H-thiazol-2-one