1.
Name: Disodium hydrogen bis(4-((5-acetyl-2,4-dihydroxyphenyl)azo)-3-hydroxy-7-nitronaphthalene-1-sulphonato(3-))ferrate(3-)
CAS: 94276-89-8



3.
Name: ethyl 1-methoxy-8-methyl-3-oxo-9-oxa-2-azabicyclo[4.3.0]non-4-ene-6-carboxylate
CAS: 59909-61-4



4.
Name: N,N-dimethyl-4-methylsulfanyl-3,5,8,9-tetrazabicyclo[4.3.0]nona-2,4,7,10-tetraen-2-amine
CAS: 6971-24-0


