Synonyms: 1-cyclopentyl-5-[(2s,6s,11s)-8-hydroxy-3,6,11-trimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-11-yl]pentan-3-one;AC1L2XB8;AC1Q5H5Y;AR-1C2654;PDSP2_001574;(+-)-Win 44441;3-Pentanone, 1-cyclopentyl-5-(1,2,3,4,5,6-hexahydro-8-hydroxy-3,6,11-trimethyl-2,6-methano-3-benzazocin-11-yl)-, (2alpha,6alpha,11S*)-