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What is the molecular formula of the molecule 6-[[(8R,9S,13S,14S,17S)-17-heptanoyloxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl]oxycarbonylamino]hexoxy-methylphosphinic acid;yttrium ?
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C33H52NO7PY9
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