Patent ID: 7317034

Claim:
A compound corresponding to formula (I), or a pharmaceutically acceptable salt thereof, wherein A represents S; R 1 represents aryl 1 or heterocyclyl 1 ; R 2 represents —(C═O)-pheyl or -cyclo -C 3 H 4 R 17 ; R 3 , R 4 and R 5 each independently represent H, methyl, —CH 2 —OH, —CH 2 —S—CH 3 or —CH 2 —S—CH 2 -furan-2-yl, —C(═O)Omethyl, —C(═O)Oethyl, or —CH 2 —C(═O)Oethyl; aryl 1 represents heterocyclyl 1 represents R 17 represents —C(═O)OH or —C(═O)O—C 1-6 -alkyl; and R 18 , R 19 , R 20 , R 21 , R 22 , R 23 and R 24 each independently represent H, OH, SH, —O—C 1-6 -alkyl, —Oaryl, —S—C 1-6 -alkyl, —Saryl, F, Cl, Br, I, —CN, C 1-6 -alkyl, CF 3 , CO(═O)H, CO(═O)—C 1-6 -alkyl or —N═N-aryl.