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What is the molecular formula of the compound with this IUPAC name (19S)-19-ethyl-19-hydroxy-5-[(E)-trityloxyiminomethyl]-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione ?
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C40H31N3O5
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