phenamidine phenamidine phenamidine is an antiprotozoal drug of the amidine class used in veterinary medicine. it is used to treat babesia infection (babesiosis) dogs, horses, and cattle. because the drug causes frequent allergic reactions, it is usually combined with an antihistamine. phenamidineclinical datatrade namesoxopirvedineother names4,4'-diamidinodiphenyl ether; 4,4'-oxydibenzamidineatcvet codeqp51af03 (who) identifiers iupac name 4,4’-oxydibenzenecarboximidamide cas number101-62-2pubchem cid64948chemspider58474unii382086v7ibcomptox dashboard (epa)dtxsid10143619 echa infocard100.002.692 chemical and physical dataformulac14h14n4omolar mass254.293 g·mol−13d model (jsmol)interactive imagemelting point215 to 216 °c (419 to 421 °f) smiles o(c1ccc(c(=)n)cc1)c2ccc(cc2)c(=)n inchi inchi=1s/c14h14n4o/c15-13(16)9-1-5-11(6-2-9)19-12-7-3-10(4-8-12)14(17)18/h1-8h,(h3,15,16)(h3,17,18)key:dmabbvcvvxmjdh-uhfffaoysa-n