2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3-(cyclopentylmethyl)-6,11-dimethyl- 2,6-Metheno-3-benzazocin-8-ol, 3-(cyclopentylmethyl)-6,11-dimethyl-1,2,3,4,5,6-hexahydro- 4490-59-9 WIN-23111