(2-Hydroxyethoxy)acetic acic gamma-lactone 1,4-Dioxan-2-one (9CI) 2-p-Dioxanone 3041-16-5 4-Dioxanone 5-19-04-00019 (Beilstein Handbook Reference) AI3-19723 Acetic acid, (2-hydroxyethoxy)-, gamma-lactone (6CI,7CI) BRN 0383602 Dioxanone NSC 60534 p-DIOXAN-2-ONE p-Dioxanone