(1Z)-1-(2-thienyl)butan-1-one oxime 1-butanone, 1-(2-thienyl)-, oxime, (1Z)- InChI=1/C8H11NOS/c1-2-4-7(9-10)8-5-3-6-11-8/h3,5-6,10H,2,4H2,1H3/b9-7