|style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers|
|SMILES||Script error: No such module "collapsible list".|
|style="background: #F8EABA; text-align: center;" colspan="2" | Properties|
|Molar mass||339.47 g mol−1|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)|
Levopropoxyphene is an antitussive. It is an optical isomer of dextropropoxyphene. The racemic mixture is called propoxyphene. Only the dextro-isomer (dextropropoxyphene) has an analgesic effect; the levo-isomer appears to exert only an antitussive effect. It was formerly marketed in the U.S. by Eli Lilly under the tradename Novrad as an antitussive.
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