Patent ID: 7476691

Claim:
A compound of formula (Ia) or formula (Ib): wherein: R 1 is hydrogen, a (C 1 -C 6 )alkyl, a (C 2 -C 6 )alkene, a (C 3 -C 12 )cycloalkyl or a (C 3 -C 12 )cycloalkene wherein the cycloalkyl and the cycloalkene are optionally mono- or disubstituted with a (C 1 -C 4 ) alkyl; R 2 is hydrogen, R′ 2 is a (C 1 -C 6 )alkyl or a (C 3 -C 12 )cycloalkyl; R 3 is hydrogen, a (C 1 -C 6 )alkoxy or a halogen; m is 0, 1, 2; n is 0, 1, 2; when m is 0, R 1 and R 2 can also form together a group —(CH 2 ) p — in which p is 3, 4 or 5; the dotted line indicates that the sulfamate group is in position 5- or 6- of the benzothiophene ring.