Talwin

Pentazocine The first mixed agonist-antagonist analgesic to be marketed. It is an agonist at the kappa and sigma opioid receptors and has a weak antagonist action at the mu receptor. (From AMA Drug Evaluations Annual, 1991, p97)

[1. An opioid agonist-antagonist analgesic with some possibility for addiction but this only rarely involves withdrawal syndrome and tolerance; irritating to tissues on local injection.

Molecular Formula: C₁₉H₂₇NO

InChI: InChI=1/C19H27NO/c1-13(2)7-9-20-10-8-19(4)14(3)18(20)11-15-5-6-16(21)12-17(15)19/h5-7,12,14,18,21H,8-11H2,1-4H3/t14-,18-,19-/m1/s1

InChIKey: InChIKey=VOKSWYLNZZRQPF-NIKGAXFTBY
SMILES: CC1C2CC3=C(C1(CCN2CC=C(C)C)C)C=C(C=C3)O

Names:
    Fortalgesic
    Fortalin
    Fortral
    Liticon
    Pentagin
    Pentazocin
    pentazocine
    Sosegon
    Sosigon
    Talwin

Registries:
    PubChem CID 9669
    PubChem ID 152882