1-acetyl-hexahydro-azepin-2-one, N-Acetyl-6-caprolactam, 2H-AZEPIN-2-ONE,1-ACETYLHEXAHYDRO, 1-acetyl-caprolactam, 1-Acetyl-hexahydro-azepin-2-on, Acetylcaprolactam, 1-acetyl-azepan-2-one, N-Acetylhexanelactam, N-Acetyl-ε-caprolactam, N-Acetyl-2-oxohexamethyleneimine, N-Acetylcaprolactam, 1-Acetylhexahydro-2H-azepin-2-one, 1-Acetylazepan-2-one