2-tosyl-1,2,3,9-tetrahydro-4H-pyrido[3,4-b]indol-4-one

4-(2-aminophenyl)-5-imino-1-tosyl-1,2,5,6-tetrahydropyridin-3-ol

(2-nitrophenyl) trifluoromethanesulfonate

邻硝基苯酚

2-methoxycarbonyl-1,2,3,4-tetrahydro-9H-pyrido<3,4-b>indole