单词 pyrrolidone 释义 pyrrolidone Chem.|prldn|[ad. G. pyrrolidon (J. Tafel 1889, in Ber. d. Deut. Chem. Ges. XXII. 1861): see prec. and -one.]Either of two isomeric mono-keto derivatives of pyrrolidine; esp. NH(CH2)3CO (2-pyrrolidone), a colourless cryst...