1-(5-Nitro-2-thienyl)ethanone 2-Acetyl-5-nitrothiophene 39565-00-9 Ethanone, 1-(5-nitro-2-thienyl)- (9CI) KETONE, METHYL (5-NITRO-2-THIENYL) Thiophene, 2-acetyl-5-nitro-