ambucetamide ambucetamide ambucetamide is an antispasmodic found to be particularly effective for the relief of menstrual pain. it was discovered in 1953 by paul janssen. ambucetamideclinical dataatc codenoneidentifiers iupac name 2-(dibutylamino)-2-(4-methoxyphenyl)acetamide cas number519-88-0 ypubchem cid10616chemspider10171 yunii131b408rzichemblchembl2104638 ncomptox dashboard (epa)dtxsid4057760 echa infocard100.007.527 chemical and physical dataformulac17h28n2o2molar mass292.423 g·mol−13d model (jsmol)interactive image smiles o=c(n)c(c1ccc(oc)cc1)n(cccc)cccc inchi inchi=1s/c17h28n2o2/c1-4-6-12-19(13-7-5-2)16(17(18)20)14-8-10-15(21-3)11-9-14/h8-11,16h,4-7,12-13h2,1-3h3,(h2,18,20) ykey:wusavcgxmswmqm-uhfffaoysa-n y ny (what is this?) (verify)