15,16-dimethoxyerythrinan-3-one

methyl-8,9-dihydro-2,3,12-trimethoxy-5H-dibenz(d,f)azonine-7(6H)-carboxylate

methyl 4,4a,5,6,8,9-hexahydro-11,12-dimethoxy-2-oxo-2H-dibenz(d,f)azonine-7(3H)-carboxylate