Patent ID: 7307100

Claim:
A compound of formula I in which R is —OH,—OA, phenoxy, Ar, —O—CO-A, SO 3 H, SO 3 A, —OSO 3 H, —OSO 3 A, —OSO 2 A, SO 2 A, Hal, COOH, COOA, CONH 2 , NHSO 2 A, COA, CHO or SO 2 NH 2 , or two radicals R together are methylenedioxy or ethylenedioxy, X is OH, or two radicals X together are methylenedioxy or ethylenedioxy, Ar is phenyl which is unsubstituted or monosubstituted, disubstituted or trisubstituted by A, A is an unbranched or branched alkyl having 1-10 carbon atoms, in which 1-7 H atoms are optionally replaced by F, Hal is F, Cl, Br or I, n is 1, 2, 3 or 4, and m is 1, 2, 3, 4 or 5, a salt thereof, or a mixture of stereoisomers or an isolated stereoisomer thereof.