2-nitro-6-(4-phenyl-2,3-dihydro-1,5-benzothiazepin-2-yl)phenol

4-nitro-2-(4-phenyl-2,3-dihydro-1,5-benzothiazepin-2-yl)phenol

methyl 2-(2-aminophenyl)sulfanyl-2-(phenylhydrazinylidene)acetate

ethyl 2-(2-aminophenyl)sulfanyl-2-[(4-nitrophenyl)hydrazinylidene]acetate

6-amino-5-(2-aminophenyl)sulfanyl-1H-pyrimidine-2,4-dione