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● Woodward OCH3 OCH? Me Me Me O △ OH OH M Me_ H MeO.C CN CN (1) h (2) OCH3 OCH? Me Me Me 0 Me △ OH - Me02C- Me H (4) (3) • Woodward O O N Me Me O O H Me MeO2C H CN H OCH3 O O N Me Me O O H H CN H Me MeO2C H OCH3 O O N Me Me O O H H CN H H MeO2C Me OCH3 MeO2C O O N Me Me O O H H CN H Me OCH3 hv (1) (2) (4) (3)
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