苯甲酸

12-hydroxy-3-methyl-1,11-dioxo-8-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyisochromeno[6,7-b]chromene-10-carboxylic acid

3-hydroxycyclohepta-2,4,6-trien-1-one

水

1,2,7-trihydroxy-chromeno[5,4,3-cde]chromene-5,10-dione