Patent ID: 7365223

Claim:
A compound, represented by the structure as set forth in formula (VI): wherein T is a —OH, —O—CH 3 , —O—(CH 2 ) y CH 3 , NH 2 , N(CH 3 ) 2 , N[(CH 2 ) 3 CH 3 ] 2 , —N(CH 3 )[(CH 2 ) 2 CH 3 ], —N(CH 3 )CH 2 CH 3 or —N(CH 3 )[(CH 2 ) 3 CH 3 ]; wherein y stands for an integer of 1, 2, or 3; T and R 4 is hydrogen or a C 1 , C 2 , C 3 , C 4 , C 5 or C 6 straight or branched alkyl, and wherein the F atom is 18 F or 19 F or a mixture of fluorine isotopes.