Patent ID: 8785477
Filing Date: 2014-07-22
Classification: A61P,C07D

Abstract:
1. A compound according to formula (I) or optical isomers, crystal forms, pharmaceutically acceptable inorganic or organic salts, hydrates or solvates thereof: wherein, X is selected from the group consisting of: (1) —C (2) —C(O)—; (3) —S(O) (4) —C(O)O—; and (5) —C(O)NR R is selected from the group consisting of: (1) H; (2) C (3) C (4) Phenyl, which is unsubstituted or substituted by one to three substituents selected from the followings: C (5) 6-membered heterocycle containing one to two atoms independently selected from N atom, above-mentioned 6-membered heterocycle is unsubstituted or substituted by one to three substituents selected from the followings: C wherein, R R 2 is C 1 -C 3 alkyl.