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(1S,6S,12S,2R,11R,14R,16R)-1,4,4,8,8,12,16-heptamethyl-3,5,17-trioxa-16-vinyltetracyclo[11.4.0.02,6.07,12]heptadecane-11,14-diol
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(2S,7S,13S,6R,9R,11R,14R)-14-acetyloxy-4,4,7,9,13,17,17-heptamethyl-3,5,8-trioxa-9-vinyltetracyclo[11.4.0.02,6.07,12]heptadec-11-yl acetate
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