Stereoisomers of 1-(1{40 benzyl-2{40 pyrryl)-2-di-sec.-butylaminoethanol and pharmaceutical compositions comprising same

摘要

Novel stereoisomers of 1-(1'-benzyl-2'pyrryl)-2-di-sec.-butylaminoethanol of the formula: <IMAGE> (I) wherein R is fluoro or trifluoromethyl and the non-toxic therapeutically acceptable salts thereof; including pharmaceutical compositions comprising same. The said products and compositions have utility as analgesics.