Synonyms: TDPN;3-O-TRITYL-6-O-DESMETHYL-DIPRENORPHINE;6,14-ETHENOMORPHINAN-7-METHANOL, 17-(CYCLOPROPYLMETHYL)-4,5-EPOXY-18,19-DIHYDRO-6-HYDROXY-ALPHA,ALPHA-DIMETHYL-3-(TRIPHENYLMETHOXY)-, (5ALPHA, 7ALPHA);6,14-Ethenomorphinan-7-methanol, 17-(cyclopropylmethyl)-4,5-epoxy-18,19-dihydro-6-hydroxy- a,a-dimethyl-3-(triphenylmethoxy)-, (5a, 7a)