Synonyms: (2r)-3-(2-hydroxy-2-methylpropyl)-6,11-dimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocin-8-ol hydrochloride(1:1);SH254;AC1L4SMS;AC1Q3F7S;KST-1A7151;AR-1A2720;SH 254;2-(2-Hydroxy-2-methylpropyl)-5,9-dimethyl-2'-hydroxy-6,7-benzomorphan hydrochloride;(2R-(2alpha,6alpha,11R*))-1,4,5,6-Tetrahydro-8-hydoxy-alpha,alpha,6,11-tetramethyl-2,6-methano-3-benzazocine-3(2H)-ethanol, hydrochloride