抄録
From the yellowish crystalline powder, obtained by the hydrolysis of 1-ethoxy-carbonyl-2-carboxy-3-cyanomethyl-4-isopropylpyrrolidine, dihydrokainic acid, C10H17O4N, was successfully isolated and purified as colorless prisms, m.p. 253° (decomp.). Infrared absorption spectrum and Rf value of this substance were measured.
