Pornchai Premkaisorn. 1998. Reaction of y-lithio y-crotonolactone with carbonyl compounds : synthesis of y-arylidenebutenolides and bioactive butenolides isolated from melodorum fruticosum. Faculty of Graduate Studies, Mahidol University;
Pornchai Premkaisorn. (1998) Reaction of y-lithio y-crotonolactone with carbonyl compounds : synthesis of y-arylidenebutenolides and bioactive butenolides isolated from melodorum fruticosum . Mahidol University/Bangkok.
Pornchai Premkaisorn. Reaction of y-lithio y-crotonolactone with carbonyl compounds : synthesis of y-arylidenebutenolides and bioactive butenolides isolated from melodorum fruticosum. . Bangkok:Mahidol University, 1998.
Pornchai Premkaisorn. (1998) Reaction of y-lithio y-crotonolactone with carbonyl compounds : synthesis of y-arylidenebutenolides and bioactive butenolides isolated from melodorum fruticosum . Mahidol University/Bangkok.