| abstract |
A compound that is selected from the group consisting of 2- [4-oxo-5-carboxamido-9- (2-methylbenzyl) -9H-pyrido [3,4-b] indolyl] acetic acid; 2- [4-Oxo-5-carboxamido-9- (2, 6-difluorobenzyl) -9H-pyrido [3,4-b] indolyl] acetic acid; 2- [4-oxo-5-carboxamido-9- [3, 5- bis (trifluoromethyl) benzyl] -9H-pyrido [3,4-b] indolyl] acetic acid; 2- [4-Oxo-5-carboxamido-9- [2-fluoro-3- (trifluoromethyl) benzyl] -9H-pyrido [3,4-b] indolyl] acetic acid; and 2- [4-oxo-5-carboxamido-9- (1-hexyl) -9H-pyrido [3, 4- b] indolyl] acetic acid; or a racemate, solvate, tautomer, optical isomer, prodrug derivative selected from the methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, morpholinoethyloxy, diethylglycolamide or diethylaminocarbonylmethoxy ester thereof or pharmaceutically acceptable salt thereof. |