| abstract |
(57) [Summary] [Structure] Formula [Chemical Formula 1] (In the formula, R 1 represents a hydrogen atom or a lower acyl group.) Represented by Hydnum repandum Fr. , A new Lepandiol derived from Pleurotus cornucopiae), a derivative thereof, a process for producing the same, an intermediate for producing the compound, and a process for producing the intermediate. [Effect] These compounds show excellent antitumor activity and are useful as antitumor agents. |