Patent ID: 7049321

Claim:
A compound of the formula (I): wherein: C denotes a spiro carbon atom shared by ring A and the ring containing a, b, d and e; A is R is H; a is S; b is —CH(CH 2 CH 3 )—; d is C(═O); e is NR 5 ; and R 5 is selected from the group consisting of H, C 1-6 alkyl optionally substituted by one, two or three phenyls, C 1-6 alkoxy, C 2-6 hydroxyalkyl, C 2-6 alkenyl, C 2-6 alkynyl, optionally substituted phenyl, and C 1-6 alkyl optionally substituted by one to three phenyls; or an enantiomer, diastereomer, racemate, tautomer, geometrical isomer, dimer, or pharmaceutically acceptable salt thereof.