Chemical Name: pyrrolidin-2-one ; Butyrolactam ; 2-Oxo-4-butyrolactam ; 2-Tetrahydropyrrolone ; 4-Aminobutyric acid lactam ; Pyrrolidone
Synonym: Cladribine USP Related Compound A ; 9-(2-deoxy-B-d-erythro-pentofuranosyl)-2-methoxy-9H-purin-6-amine
Smile: O=C1NCCC1