| abstract |
The present application discloses a new sialosyl glyceride having the following formula, which compound is useful as a remedy for nervous diseases, has an excellent compatibility with the living bodies, and is easily producible.n wherein R¹ represents a hydrogen atom or XCH₂CO- (X being a halogen atom), R² represents an alkali metal, a hydrogen atom or a lower alkyl group, R³ represents a hydrogen atom or -CO(CH₂)mCH₃, R⁴ represents -CO(CH₂)mCH₃ and m and n each represents a number of 0 to 30. |