. "Saturated azacyclopropane compounds. Any substitutions on carbon or nitrogen atoms are permitted.MSH2002_06_01" . "A compound with a three-atom ring containing nitrogen linked to two carbons. Ethylenimines are highly reactive alkylating reagents.NCI" . "CHEBI:22681"^^ . "Ethylenimine_Compound"^^ . "Ethylenimine CompoundPTNCI" . "DimethyleneiminesSYNCI" . . "Ethylenimine Compound"^^ . . "C292"^^ . "AziridinesSYNCI" . . "C0004496"^^ . "Ethylenimine Compound"^^ . "Chemical Viewed Structurally"^^ . "AzacyclopropanesSYNCI" .