rom Claim 1 as originally disclosed and as granted in that the passage or a substituted aryl group, R5 is an alkyl group was replaced by or a substituted aryl group excluding for R3: hydrogen, aryl, substituted aryl and aryl carrying a water-solubilizing group R5 is an alkyl group.Auxiliary request 3bisClaim 1 differed from Claim 1 of auxiliary request 3 in that the passage "stand for an organ