上游原料
2-Chloro-1-ethanol; Ethylene chlorohydrin5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-([[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy]methyl)tetrahydro-2H-pyran-2-yl]oxy]-4H-chromen-4-one5-(2-hydroxyethoxy)-2-(3-hydroxy-4-methoxyphenyl)-7-[[(2S,3R,4S,5S)-3,4,5-trihydroxy-6-([[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy]methyl)tetrahydro-2H-pyran-2-yl]oxy]-4H-chromen-4-one5-(2-hydroxyethoxy)-2-[3-(2-hydroxyethoxy)-4-methoxyphenyl]-7-[[(2S,3R,4S,5S)-3,4,5-trihydroxy-6-([[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy]methyl)tetrahydro-2H-pyran-2-yl]oxy]-4H-chromen-4-one
