2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-chromen-4-one
CAS No. 27181-91-5
2-(3,4-dimethoxyphenyl)-5,6,7-trimethoxy-chromen-4-one
1-甲酰基环丙烷-1-甲酸乙酯
4,4-二乙氧基-1,1,1-三氟甲基-2-丁酮