4-{[1-(3-bromo-phenyl)-methylidene]-amino}-benzoic acid ethyl ester
2-(3-bromo-phenyl)-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester
2-(3-bromo-phenyl)-4-hydroxy-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester
3,3-dimethyl-2-(3-methylamino-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid ethyl ester
sodium isocyanate