(+/-)-1-bromo-N-formylnordihydrothebainone

5-(2-formyl-6-methoxy-1,2,3,4,5,8-hexahydro-isoquinolin-1-ylmethyl)-2-methoxy-phenol

1-(2-bromo-5-hydroxy-4-methoxy-benzyl)-1,3,4,7,8,8a-hexahydro-2H-isoquinolin-6-one

1-(2'-bromo-4'-methoxy-5'-hydroxybenzyl)-2-formyl-1,3,4,5,7,8-hexahydroisoquinolin-6-one