1-(2-Oxoazepane-1-carbonyl)azepan-2-one19494-73-634 % similar Dithiodicaprolactam23847-08-734 % similar N1,N1,N6,N6-Tetrakis(2-hydroxyethyl)hexanediamide6334-25-434 % similar 4-(2-Oxo-1-pyrrolidinyl)benzaldehyde36151-45-833 % similar Piracetam7491-74-933 % similar 1-Benzyl-3-pyrrolidone5291-77-032 % similar Methyl 2-oxo-1-pyrrolidineacetate59776-88-432 % similar Acetylcaprolactam1888-91-132 % similar N-Succinimidyl acrylate38862-24-732 % similar N-Hydroxysuccinimide6066-82-632 % similar 1-(4-Bromophenyl)pyrrolidin-2-one7661-32-732 % similar 1,1-Dimethylethyl 2-oxo-1-pyrrolidinecarboxylate85909-08-632 % similar Laurocapram59227-89-331 % similar (αS)-α-Ethyl-2-oxo-1-pyrrolidineacetic acid102849-49-030 % similar Levetiracetam acid103833-72-330 % similar N-(Gamma-Maleimidobutyryloxy)succinimide80307-12-630 % similar