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2-Butenoic acid,2-methyl-,(5R,6S,7R,8R,12aS)-5-(acetyloxy)-5,6,7,8-tetrahydro-8-hydroxy-2,3,10,11,12-pentamethoxy-6,7-dimethyldibenzo[a,c]cycloocten-1-ylester, (2Z)- related products: