Patent ID: 8916580

Claim:
A compound of formula (IV): wherein: q is 2 or 3; R 7 is hydrogen, diphenylmethyl, 4-methoxybenzyl, [3-(trifluoromethyl)pyridin-2-yl]methyl, [5-(benzyloxy)pyridin-2-yl]methyl, (5-hydroxypyridin-2-yl)methyl, pyridin-2-ylmethyl or pyridin-3-ylmethyl; and two R 8 groups, together with the adjacent carbons to which they are attached, form a fused dioxinyl ring, a fused thienyl ring, a fused 1,1-dioxothienyl ring, a fused 1,2,5-oxadiazolyl ring, a fused tetrahydropyranyl ring, a fused 2,3-dihydropyrazinyl ring, a fused 3-methyl-4,5-dihydroisoxazolyl ring or a fused pyrazinyl ring, and the remaining R 8 group, if present, is hydrogen, chloro or fluoro; or a stereoisomer, enantiomer or tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof.