| abstract |
Compound of formula (I): and its form, characterized in that the dashed lines between positions 1, 2 and 3 in formula (I) indicate the positions of the tautomeric double bond, wherein when the double bond is formed between positions 1 and 2, then R3b is present , and wherein when the double bond is formed between positions 2 and 3, then R 3a is present, p is 1 or 2; q is 0 or 1; r is 0, 1, 2 or 3; L is C1-3alkyl, C2-3alkenyl, C2-3alkynyl or cyclopropyl; A1 is selected from the group consisting of phenyl, biphenyl, naphthyl, pyridinyl, quinolinyl and indole; R 1 is each selected from the group consisting of hydroxy, cyano, halogen, formyl, carboxy, C 1-6 alkyl, haloC 1-6 alkyl, |