Ethylenediamine (CAS: 107-15-3; IUPAC: Ethane-1,2-diamine)

Diethylenetriamine (CAS:111-40-0; IUPAC: N1-(2-Aminoethyl)ethane-1,2-diamine)

Aminoethylethanolamine (CAS: 111-41-1; IUPAC: 2-[(2-Aminoethyl)amino]ethan-1-ol)

Monoethanolamine (CAS: 141-43-5; IUPAC: 2-Aminoethan-1-ol)

Diethanolamine (CAS: 111-42-2; IUPAC: 2,2′-Azanediyldi(ethan-1-ol))