ONJISAPONIN A

(2S,3R,4S,4aR,6aR,6bR,8aS,12aS,14aR,14bR)-8a-((((2S,3R,4S,5S,6R)-3-(((2S,3R,4S,5S,6S)-4-(((2S,3R,4R)-3,4-dihydroxy-4-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-5-(((2S,3R,4R,5R)-3,4-dihydroxy-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-(((E)-3-(4-methoxyphenyl)acryloyl)oxy)-6-methyl-4-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)carbonyl)-2-hydroxy-6b-(hydroxymethyl)-4,6a,11,11,14b-pentamethyl-3-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicene-4-carboxylic acid

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