The present invention relates to γ-spiroketal-γ-lactones of formula (I) or a stereoisomer, ester, hydrate, solvate or pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier, diluent or excipient and a process for preparation thereof. The present invention further provides a pharmaceutical composition comprising γ-spiroketal-γ-lactones of formula (I) or a salt thereof.
本发明涉及式(I)的γ-螺酮-γ-内酯或其立体异构体、酯、
水合物、溶液剂或药学上可接受的盐和药学上可接受的载体、稀释剂或赋形剂及其制备工艺。本发明进一步提供了一种药物组合物,包含式(I)的γ-螺酮-γ-内酯或其盐。