三色堇黄苷

5,7-dihydroxy-2-(4-hydroxyphenyl)-6-[(2S,3S,4R,5R,6R)-3,4,5-trihydroxy -6-(hydroxymethyl)oxan-2-yl]-8-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-me thyl-oxan-2-yl]chromen-4-one