反-戊烯二酸

4-hydroxy-4-phenylbut-2-ynoic acid

1-(2-(3-甲氧基苯基)乙炔)苯

ethyl 4-[1-(5-ethoxycarbonyl-2,4-dimethyl-1H-pyrrol-3-yl)ethyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate

(Z)-3-[(2-羧基乙基)硫基]-2-丙烯酸