1,3-Oxathiolan-4-one, 2-ethyl-, O-((methylamino)carbonyl)oxime, (Z)- 1,3-Oxathiolan-4-one, 2-ethyl-, O-((methylamino)carbonyl)oxime, syn- 54266-78-3 syn-2-Ethyl-1,3-oxathiolan-4-one O-((methylamino)carbonyl)oxime