4-(3,4-二乙酰氧基亚苄)-2-甲基-5-恶唑酮

原儿茶醛

3-[3,4-二(乙酰氧基)苯基]丙烯酸

3-(3,4-dihydroxyphenyl)prop-2-enal

2-[[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]amino]-5-hydroxybenzoic acid