Synonyms: (5alpha,7alpha)-alpha-tert-butyl-4,5-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-alpha-methyl-6,14-ethenomorphinan-7-methanol;α-(1,1-Dimethylethyl)-4,5α-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-α-methyl-6,14-ethenomorphinan-7α-methanol;(5alpha,7alpha)-alpha-tert-Butyl-4,5-epoxy-18,19-dihydro-3-hydroxy-6-methoxy-alpha-methyl-6,14-ethenomorphinan-7-methanol;Einecs 285-338-9