p. 65 - 69
(2007/10/02)3-(2-thioxo-1-pyrrolidinyl)propyl acetate
1-(3-acetoxypropyl)pyrrolidin-2-one
1-(3-hydroxypropyl)pyrrolidin-2-one
(E)-1-(3-acetoxypropyl)-2-(2-methoxy-6-methylbenzoyl)methylenepyrrolidine
(E)-1-(3-hydroxypropyl)-2-(2-methoxy-6-methylbenzoyl)methylenepyrrolidine