ubp-302 ubp-302 ubp-302 is a highly selective kainate receptor antagonist used in the study of many neurological processes. it is active at micromolar concentration within an in vitro preparation and specifically targets the gluk1 (iglur5) subunit of the receptor. this compound was developed at the university of bristol. ubp-302 names systematic iupac name 2-(methyl)benzoic acid identifiers cas number 745055-91-8 y 3d model (jsmol) interactive image chembl chembl372797 n chemspider 4925720 n echa infocard 100.210.061 pubchem cid 6420161 comptox dashboard (epa) dtxsid80423571 inchi inchi=1s/c15h15n3o6/c16-11(14(22)23)8-17-6-5-12(19)18(15(17)24)7-9-3-1-2-4-10(9)13(20)21/h1-6,11h,7-8,16h2,(h,20,21)(h,22,23)/t11-/m0/s1 nkey: uuiyulwyhdsxhl-nshdsacasa-n ninchi=1/c15h15n3o6/c16-11(14(22)23)8-17-6-5-12(19)18(15(17)24)7-9-3-1-2-4-10(9)13(20)21/h1-6,11h,7-8,16h2,(h,20,21)(h,22,23)/t11-/m0/s1key: uuiyulwyhdsxhl-nshdsacabl smiles c1ccc(c(c1)cn2c(=o)ccn(c2=o)c(c(=o)o)n)c(=o)o properties chemical formula c15h15n3o6 molar mass 333.296 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references ubp-310 and ubp-316 (acet) are related n3-substituted willardiine derivatives.