Biochem Chemopharma

Cobaltous nitrate hexahydrate; Nitric acid cobalt(II) salt

Chromium(VI) oxide; Chromic anhydride

o-Chlorophenol; 2-Hydroxychlorobenzene; 1-Chloro-2-hydroxybenzene

4-Chlorobenzenamine; p-Chloroaniline

3-Chlorobenzenamine; m-Chloroaniline