The molecule is a steroid glucuronide anion that is the conjugate base of 4-hydroxy-17beta-estradiol 4-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It is a steroid glucosiduronic acid anion, a beta-D-glucosiduronate and a monocarboxylic acid anion. It is a conjugate base of a 4-hydroxy-17beta-estradiol 4-O-(beta-D-glucuronide).
(2S,3S,4S,5R,6S)-6-[[(8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-4-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylate