1,2-Epithiopropane 1072-43-1 15423-00-4 2-Methylthiacyclopropane 2-Methylthiirane 5-17-01-00025 (Beilstein Handbook Reference) BRN 0383559 CCRIS 804 EINECS 214-007-3 NSC 36643 NSC 48100 PROPANE, 1,2-EPITHIO- Propene sulfide Propylene episulfide Propylene sulfide Propylene sulphide Thiirane, 2-methyl- Thiirane, methyl-