1,3-Oxathiolan-4-one, 5-ethyl-, O-((methylamino)carbonyl)oxime, (Z)- 1,3-Oxathiolan-4-one, 5-ethyl-, O-((methylamino)carbonyl)oxime, syn- 54266-79-4 syn-5-Ethyl-1,3-oxathiolan-4-one O-((methylamino)carbonyl)oxime