61036-87-1 Acetamide, N-(5,6,7,9-tetrahydro-6-hydroxy-1,2,3,10-tetramethoxy-9-oxobenzo(a)heptalen07-yl)-, (6R-trans)- N-(5,6,7,9-Tetrahydro-6-hydroxy-1,2,3,10-tetramethoxy-9-oxobenzo(a)heptalen07-yl)acetamide (6R-trans)-