103844-12-8
erythro-3-[3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl]-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone
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103865-35-6
3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone