4-Methyl-2-oxo-5,5-diphenyl-2,5-dihydro-furan-3-carboxylic acid ethyl ester

2-Ethoxy-4-methylene-5,5-diphenyl-4,5-dihydro-furan-3-carboxylic acid ethyl ester

5-Methylene-3,3-diphenyl-3,5-dihydro-pyrazole-4,4-dicarboxylic acid diethyl ester

二苯氯甲烷

4-甲基吡唑-3-甲酸乙酯