(1-methoxy-2-oxo-4-phenylbut-3-enyl) acetate

3-(5-甲基-[1,3,4]噁二唑-2-基)-吡啶

2-methyl-6-phenyl-3H-[1,2,4]triazolo[1,5-b][1,2,4]triazin-7-one

methyl 2-acetyloxy-4,6-dimethyl-3-nitrobenzoate

methyl 2-acetyloxy-4-methyl-3-nitrobenzoate