MeSH note : was heading 1976-94 (see under PROPOXYPHENE 1976-90); use PROPOXYPHENE to search PROPOXYPHENE
NAPSYLATE 1976-94; less potent, but less irritating analog of propoxyphene; used as
analgesic; the dextro isomer has little antitussive action but the levo is mainly
used as an antitussive effects toxicity as;