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What is the molecular formula of the molecule identified by 3-aminopropyl-[(3S,5S,8R,9S,10R,13R,14S,17R)-5,14-dihydroxy-10,13-dimethyl-17-(6-oxopyran-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]carbamic acid ?
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C28H42N2O6
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