1-[[(E)-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]amino]-3-[[(Z)-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]amino]thiourea

4-(7-hydroxy-3-methoxychromenylium-2-yl)benzene-1,3-diol,chloride

3-乙酰基-7-甲氧基香豆素

3-(2,4-dihydroxyphenyl)-1-phenanthren-3-ylprop-2-en-1-one

3-[(二乙基氨基)甲基]-2,4-二羟基苯甲醛