2,6-Methano-3-benzazocin-1(2H)-one, 3-(cyclopropylmethyl)-6-ethyl-3,4,5,6-tetrahydro-8-hydroxy-11-methyl-, (2alpha,6alpha,11S*)-, (+-)- 58640-84-9 ETHYLKETOCYCLAZOCINE Ethylketazocine