FOERFARANDE Før FRAMSTAELLNING audio ANALGETISKT VERKANDE RACEMISKT the OR DIASTEREOMERA OCH optically active 2-TETRAHYDROFURFURYL BETA-5,9-dimethyl-6,7-OCH BENSOMORFANER deras SYRAADDITIONSSALTER

摘要

Compounds of the formula WHEREIN R1 is methyl or phenyl, and R2 is hydrogen, methyl or acetyl, and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful as analgesics.