Patent ID: 8653261

Claim:
A compound having the structure: wherein R is H or NH 2 ; R 3 and/or R 4 comprise a quaternary nitrogen atom wherein R 3 and/or R 4 has a structure —NR 6 —R 7 —N + (CH 3 ) 3 , wherein R 6 is H or an alkyl having 1-5 carbons; R 7 is (CH 2 ) x or [(CH 2 ) 2 O] y ; x=0-5; and y=0-5; R 3 and/or R 4 has a structure —O—R 7 —N + (CH 3 ) 3 , wherein R 7 is (CH 2 ) x or [(CH 2 ) 2 O] y ; x=0-5; and y=0-5; R 3 and/or R 4 includes a 3-7 membered ring formed of H, N, O and/or C; or R 3 and/or R 4 comprise —NHY, —NY, or —OY, wherein Y comprises H, O, C, N or a combination thereof, wherein the atoms are in a linear, branched, or cyclic configuration; R 1 and R 2 are independently alkyl groups having 1 to 10 carbon atoms; and R 5 is H, F, or Cl.