4.
Name: 3-hydroxy-2-[[3-(4-hydroxyphenyl)-2-phenylmethoxycarbonylamino-propanoyl]amino]propanoic acid
CAS: 20448-71-9



5.
Name: 7-Anilino-4-hydroxy-3-((6-methoxy-4-((6-sulpho-2,4-xylyl)azo)-m-tolyl)azo)naphthalene-2-sulphonic acid, sodium salt, compound with 1,1,1-nitrilotri(propan-2-ol)
CAS: 94022-35-2



8.
Name: 2-methyl-2-(4-nitrophenyl)-5-[(5-nitrothiophen-2-yl)methylidene]-1,3-dioxane-4,6-dione
CAS: 62391-06-4


