n-vinyl, vinyl caprolactam, N-Vinyl-2-Caprolactam, 1-vinyl-perhydro-azepin-2-one, VCAP, 1-ethenylazepan-2-one, N-Vinyl-ε-caprolactam, N-Vinyl-epsilon-caprolactam, NVCL, 1-Vinylazepan-2-one, N-VinylcaprolaCLaM, N-VINYL-E-CAPROLACTAM, 1-vinylazepan-2-one, 1-Vinylhexahydro-2H-azepin-2-one, N-Vinylcaprolactam, 1-Vinylhexahydro-2H-azepin-2-on, N-Vinylcaprolactam, n-Vinyl caprolactam, Vinyl caprolactam, 1-Vinylhexahydro-2H-azepin-2-one, Vinylcaprolactam