{8-fluoro-2-(8-fluoro-3,4-dihydropyrazino[1,2-a]indol-2(1H)-yl)-3-[3-(trifluoromethyl)phenyl]-3,4-dihydro-quinazolin-4-yl}acetic acid 生成 [8-fluoro-3-[3-(trifluoromethyl)phenyl]-2-(8-fluoro-3,4,10,10a-tetrahydropyrazino[1,2-a]indol-2(1H)-yl)-3,4-dihydro-quinazolin-4-yl]acetic acid