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(1S,2S,7R)-7-[[(4R,6S)-5,6-Dimethyl-4-[[(1S,2S,7R)-4-oxo-12-phenyl-3,5,8,11,13-pentaoxatricyclo[7.4.0.02,6]tridecan-7-yl]oxy]-3-phenylmethoxyoxan-2-yl]methoxy]-12-phenyl-3,5,8,11,13-pentaoxatricyclo[7.4.0.02,6]tridecan-4-one


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