2-methyl-1,4,5,6-tetrahydropyrimidine

3,3'-二氨基二丙基胺

N,N′-双(3-氨丙基)-1,3-丙二胺

N-(3-氨基丙基)-N'-[3-[(3-氨基丙基)氨基]丙基]丙烷-1,3-二胺

N,N'-双(2-氨乙基)-1,3-丙二胺