117390-07-5
Benzoic acid, 4-[(1E)-2-carboxyethenyl]-, 1-methyl ester
→
~88%
151937-09-6
3-(4-甲氧基羰基苯基)丙酸
40912-11-6
3-(4-甲氧羰苯基)丙酸甲酯