tert-Butyl 9-methyl-7-(2-oxo-4-((6-(trifluoromethyl)pyridin-3-yl)methoxy)pyridin-1(2H)-yl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (HCID 57950307)|Huagongshe