17065-88-2 24472-80-8 4406-22-8 6,14-Ethenomorphinan-7-methanol, 17-(cyclopropylmethyl)-4,5-epoxy-3-hydroxy-6-methoxy-alpha,alpha-dimethyl-, (5alpha,7alpha)- 6,14-endo-Ethenotetrahydrooripavine, 21-cyclopropyl-7alpha-(1-hydroxy-1-methylethyl)- CYPRENORPHINE Ciprenorfina [INN-Spanish] Cyprenorphinum [INN-Latin] DEA No. 9054 M 285 N-Cyclopropylmethyl-6,14-endoetheno-7alpha-(1-hydroxy-1-methylethyl)-6,7,8,14-tetrahydronororipavine RX 285M