7,7′-oxybis(4,5α-epoxy-3-methoxy-17-methyl-6,7,8,14-tetradehydromorphinan-6-ol) (7,7′-oxybis(6-O-demethylthebaine)) (as per EP)
7,7′-oxybis(4,5α-epoxy-3-methoxy-17-methyl-6,7,8,14-tetradehydromorphinan-6-ol) (7,7′-oxybis(6-O-demethylthebaine)) (as per EP)