6-nitro-2-(4-nitrophenyl)chromen-4-one

2-(4-Hydrazinophenyl)-4H-chromen-4-one

4-nitrobenzoic acid,2,2,2-trifluoroethanol

2-[2-(4-nitrophenyl)-2,3-dihydro-1H-1,5-benzodiazepin-4-yl]phenol