6-甲氧基-2,2-二甲基-2H-苯并[h]苯并吡喃

[4-(2,4-dichlorobenzoyl)-2,5-dimethylpyrazol-3-yl]methyl carbonate

methyl N-cyclohexylcarbamate

N-(苯基甲基)-氨基甲酸甲酯

methyl 4-nitroindazole-1-carboxylate