(Z)-1-(Benzo[b]thiophen-2-yl)ethan-1-one Oxime

(Z)-1-(Benzo[b]thiophen-2-yl)ethanone oxime is an isomer of N-(1-Benzo[b]thiophen-2-yl-ethyl)-hydroxylamine, a reagent used in the synthesis of Zileuton, an anti-asthmatic drug.