Patent ID: 7012146

Claim:
A malonic acid ester compound of Formula II or a pharmaceutically acceptable salt or a hydrate thereof, wherein, A is absent; and B represents a group of the formula —(CH 2 ) n —, wherein n is 1; R 1 represents a phenyl or a benzyl group, said phenyl and benzyl groups being substituted one or two times with substituents selected from the group consisting of halogen, trihalogenmethyl, nitro, and cyano; R 2 represents a mono-heterocyclic aromatic group selected from the group consisting of pyridinyl, said pyridinyl, being unsubstituted or substituted one or two times with substituents selected from the group consisting of being substituted one or two times with substituents selected from the group consisting of halogen, trihalogenmethyl, alkyl, amino, nitro, cyano, alkoxy and phenyl; and R 5 and R 6 , independently of each another, represents alkyl.