Patent ID: 8211882

Claim:
A compound with the formula wherein R 4 is selected from the group consisting of H, Cl, Br, F, CH 3 , OCH 3 , CF 3 , OCF 3 , and phenyl; R 6 is selected from the group consisting of sarcosine-N-carbonyl, CO—N-Me-Gly-Gly-Gly, CO—N-Me-Gly-Glu-Glu, CO—N-Me-Gly-Lys-Lys, CO-Pro-Glu-Glu, CO-Pro-Lys-Lys, CO-Pro-Gly-Lys, and CO-Pro-Lys-Lys, CON-Me-Xaa, and CON-Me-Xaa-Xaa wherein Xaa is Ala, Leu, Gly, Ile, Val, Ser, Trp,Thr, Lys, His, Cys, Met, Arg, Phe, Tyr, Glu, Gln, Orn, Asp, or Asn; and R 7 , R 8 , R 9 and R 10 are each independently chosen from the group consisting of H, Cl, Br, F, CH 3 , CH 2 CH 3 , CH 2 Ph, CH═CH 2 , C≡CH, C≡N, OCH 3 , OCF 3 , Ph, OPh, and NO 2 .