(-)-Methyloxirane (-)-Propylene oxide (S)-(-)-1,2-Epoxypropane (S)-1,2-Epoxypropane (S)-2-Methyloxirane (S)-Propylene oxide 16088-62-3 EINECS 240-241-0 Oxirane, methyl-, (S)- (9CI) Propylene oxide, (S)-(-)- S-Epoxypropane S-Methyloxirane