4a,9-dihydroxy-7a-(hydroxymethyl)-3-methyl-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro(3,2-e)isoquinolin-7(7aH)-one
4a,9-dihydroxy-7a-(hydroxymethyl)-3-methyl-2,3,4,4a,5,6-hexahydro-1h-4,12-methanobenzofuro(3,2-e)isoquinolin-7(7ah)-one