丹페놀산 H
(alphaR)-alpha-[[(2E)-3-[3-[[(1Z)-1-Carboxy-2-(3，4-dihydroxyphenyl)ethenyl]oxy]-4-hydroxyphenyl]-1-oxo-2-propen-1-yl]oxy]-3，4-dihydroxybenzenepropanoic acid
(alphaR)-alpha-[[(2E)-3-[3-[[(1Z)-1-Carboxy-2-(3，4-dihydroxyphenyl)ethenyl]oxy]-4-hydroxyphenyl]-1-oxo-2-propen-1-yl]oxy]-3，4-dihydroxybenzenepropanoic acid ≥95%(HPLC)