Patent ID: 7919628

Claim:
A compound of the formula I: wherein: R3 and R4 are, independently of one another, hydrogen, F, Cl, or Br; R8 is, independently in each instance, hydrogen, F or Cl; A is cyclohexyl, piperidyl, phenyl, naphthyl, indanyl 2,3-dihydro-benzo[1,4]dioxanyl,benzo[1,3]dioxolyl furyl, thienyl, pyridyl, oxazolyl, isoxazolyl, thiazolyl, imidazolyl, pyrazolyl, pyrazinyl, pyrimidinyl, pyridazinyl, oxadiazolyl, triazolyl, benzothiophenyl, benzoxazolyl, benzothiazolyl, benzimidazolyl, benzoxadiazolyl, benzotriazolyl, benzo-1,1-dioxid-thiophenyl or quinolyl; in which cyclohexyl is unsubstituted or substituted by 1, 2 or 3 methyl radicals; in which piperidyl is unsubstituted or substituted by alkyl having 1, 2, 3 or 4 carbon atoms, —C(O)CH 3 , —C(O)CH 2 CH 3 , —C(O)-cyclopropyl, —C(O)CF 3 , —C(O)OC(CH 3 ) 3 ; in which the aryl or heteroaryl radical is unsubstituted or substituted by 1, 2 or 3 radicals selected from the group consisting of F, Cl, Br, CN, NO 2 , SF 5 , —N(CH 3 ) 2 , methoxy, ethoxy, alkyl having 1, 2, 3 or 4 carbon atoms, CF 3 , OCF 3 , OCH 2 CF 3 , OCHF 2 , SCH 3 , SOCH 3 , SO 2 CH 3 , SCF 3 , phenyl, benzyl, pyrazolyl, pyrrolyl and triazolyl, in which phenyl can be substituted by Cl B is —O—(CR11R12) R11 is hydrogen; R12 is hydrogen or methyl; D is C(O)OH; R1 and R2 are, independently of one another, alkyl having 1, 2 or 3carbon atoms; or R1 and R2 form, together with the carbon atom to which they are attached, a 3-, 4-, or 5-membered carbon ring; or a pharmaceutically acceptable salt thereof.