Patent ID: 8343972

Claim:
A compound having formula Ip: wherein, R is hydrogen or (C 1-8 )alkyl, R 1 is (C 3-12 )cycloalkyl, unsubstituted (C 1-8 )alkyl, or (C 1-8 )alkyl substituted by hydroxy, halogen, (C 1-6 )alkyloxycarbonyl; (C 1-4 )alkylaminocarbonyl; (C 3-8 )cycloalkyl or cyclohexyl, (C 6-18 )aryl, or a heterocyclic group comprising 3 to 7 ring members, 1 to 4 heteroatoms selected from the group consisting of N, O and S, optionally anellated with another ring system, R 2 is hydrogen or (C 1-4 )alkyl, q is a number selected from 0, 1 and 2; and the group (NRR 1 ) is in position 3 or in position 4 of the cycloalkyl ring.