tp-003 tp-003 tp-003 is an anxiolytic drug with a novel chemical structure, which is used in scientific research. it has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic. it is a positive allosteric modulator at the benzodiazepine binding site of gabaa receptors. it has modest anticonvulsant activity although less than that of diazepam. tp-003identifiers iupac name 5-fluoro-2-pyridin-3-yl]phenyl]benzonitrile cas number628690-75-5 npubchem cid9978724chemspider8154316 nchemical and physical dataformulac23h16f3n3omolar mass407.396 g·mol−13d model (jsmol)interactive image smiles n#cc4cc(f)ccc4-c1cc(ccc1f)-c2cnc3n2ccc(c(c)(o)c)c3f inchi inchi=1s/c23h16f3n3o/c1-23(2,30)18-7-8-29-20(12-28-22(29)21(18)26)17-10-13(3-6-19(17)25)16-5-4-15(24)9-14(16)11-27/h3-10,12,30h,1-2h3 nkey:vlfitpuzjcltfq-uhfffaoysa-n n ny (what is this?) (verify)