Piracetam7491-74-9100 % similar 2-Oxo-1-pyrrolidineacetic acid53934-76-261 % similar N-(Hydroxymethyl)-2-pyrrolidone15438-71-852 % similar 1-(2-Hydroxyethyl)-2-pyrrolidinone3445-11-250 % similar 1-(3-Hydroxypropyl)-2-pyrrolidinone62012-15-150 % similar Oxiracetam62613-82-549 % similar Methyl 2-oxo-1-pyrrolidineacetate59776-88-447 % similar N-Octylpyrrolidone2687-94-747 % similar N-Dodecyl-2-pyrrolidone2687-96-947 % similar N-Ethyl-2-pyrrolidone2687-91-447 % similar N-Butyl-2-pyrrolidone3470-98-245 % similar 1-(3-Aminopropyl)-2-pyrrolidinone7663-77-645 % similar Pramiracetam68497-62-144 % similar Laurocapram59227-89-343 % similar N1,N1,N6,N6-Tetrakis(2-hydroxyethyl)hexanediamide6334-25-442 % similar Nefiracetam77191-36-742 % similar Ada (buffer)26239-55-441 % similar Succinamic acid638-32-441 % similar 1-Benzyl-2-pyrrolidinone5291-77-039 % similar Lauric acid diethanolamide120-40-138 % similar