1240795-78-1 Pyrano[3,2-c][2]benzopyran-6(2H)-one, 3,4,4a,10b-tetrahydro-3,4-dihydroxy-2-(hydroxymethyl)-9-methoxy-8,10-bis(phenylmethoxy)-, (2R,3S,4S,4aR,10bS)-

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1240795-78-1 Pyrano[3,2-c][2]benzopyran-6(2H)-one, 3,4,4a,10b-tetrahydro-3,4-dihydroxy-2-(hydroxymethyl)-9-methoxy-8,10-bis(phenylmethoxy)-, (2R,3S,4S,4aR,10bS)- - 化工 AI 网