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de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal
de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ??? ???
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98641-05-5
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de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal
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N-Demethyl Erythromycin EP Impurity E;de(N-methyl)-8,9-anhydroerythromycin A 6,9-hemiacetal;de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal;Erythromycin, 8,9-didehydro-N-demethyl-9-deoxo-6-deoxy-6,9-epoxy-;N-Demethyl Erythromycin EP Impurity E (N-Demethyl-Erythromycin A Enol Ether)