2-Butenoic acid, 4-((4-(2-(((5alpha,7alpha)-4,5-epoxy-3-hydroxy-6-methoxy-17-methyl-6,14-ethenomorphinan-7-yl)amino)-2-oxoethyl)phenyl)amino)-4-oxo-, methyl ester, (E)- 6,14-Endotheno-7-alpha-(p-methylfumaroylaminophenylacetylamino)tetrahydroripavine 95387-01-2 Nih 10364 Nih-10364