4-甲氧基-2-(2-硝基乙烯基)苯酚

5-methoxy-1-benzofuran-2-carboxamide

(Z)-3-(2-hydroxy-5-methoxyphenyl)prop-2-enal

6-(3H-1,3-benzothiazol-2-ylidene)-4-methoxycyclohexa-2,4-dien-1-one

6-methoxy-2-oxochromene-3-carboxylic acid