(5AR-trans)-3,5-dichloro-4-oxo-N-(1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto(2,1-b)furo(3,4-d)(1,3)thiazin-6-yl)-4H-pyridine-1-acetamide 70150-41-3 EINECS 274-343-1