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(3S)-3-[[(2S)-2-[[(2S)-2-[[(2S)-4-[[(2R,3R,4R,5R,6R)-6-[[(3As,4R,6R,7R,7aS)-4-[[(3aS,4R,6R,7R,7aS)-7-acetyloxy-4-(hydroxymethyl)-2-oxo-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]oxymethyl]-7-acetyloxy-2-oxo-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[


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