Keywords: Oxirane 200.svg validSVG Structure of oxirane Struktur von Oxiran Own 2014-04-23 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/1/13/Oxirane_200 svg 1S/C2H4O/c1-2-3-1/h1-2H2 IAYPIBMASNFSPL-UHFFFAOYSA-N 75-21-8 200-849-9 PD-chem Ethylene oxide |