4.
Name: Sulfuric acid, dimethyl ester, compd. with N-ethyl-N-(4-((4-methyl-4H-1,2,4-triazol-3-yl)azo)phenyl)benzenemethanamine (1:1)
CAS: 73384-93-7



5.
Name: 2-[[4-[4-(carboxymethylamino)phenyl]arsanylidenearsanylphenyl]amino]acetic acid
CAS: 52993-93-8


