Biochem Chemopharma

1-Amino-4-nitrobenzene; p-Nitrophenylamine; p-Nitroaniline

meta-Nitroaniline; m-nitroanilin

ortho-Nitroaniline; o-Nitroaniline; 2-Nitrobenzenamine

Nickel(II) chloride hexahydrate

Nickel(II) chloride hexahydrate

Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate

Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate