1-(Carbomethoxymethyl)aziridine 1-(Methoxycarbonyl)aziridine 1-AZIRIDINEACETIC ACID, METHYL ESTER 14745-52-9 2-(1-Aziridinyl)acetic acid methyl ester 4-20-00-00023 (Beilstein Handbook Reference) Acetic acid, 2-(1-aziridinyl)-, methyl ester BRN 0110304 Methyl 1-aziridineacetate N-(Carbomethoxymethyl)aziridine NSC 101284 SK 4119