Patent ID: 8551996

Claim:
A compound selected from the group consisting of: and a pharmaceutically acceptable salt of any of the foregoing comprising a label selected from the group consisting of: 2 H, 3 H, 11 C, 13 C, 14 C, 32 Cl, 13 N, 18 F, 75 Br, 76 Br, 123 I, 124 I, 125 I, and 131 I wherein: R 1 is selected from the group consisting of: —H, alkyl, alkenyl, haloalkyl, haloalkenyl, R 2 is selected from the group consisting of: —H, alkyl, and haloalkyl; each R 3 is independently selected from the group consisting of: —H, —X, alkyl, haloalkyl, —OH, —O-alkyl, —O-haloalkyl, —NO 2 , —NH, —NH-alkyl, —N(alkyl) 2 , —N(alkyl) 3 OTf, —N(alkyl) 3 X, —Sn(alkyl) 3 , —SH, —S-alkyl, and —S-haloalkyl, wherein n is 1, 2, or 3 and wherein if n is 2 or 3, each R 3 is chosen independently of any other R 3 ; each R 4 , R 5 , and R 6 are each independently selected from the group consisting of: —H, —X, alkyl, haloalkyl, —OH, —O-alkyl, —O-haloalkyl, and —Sn(alkyl) 3 , wherein o, p, and q are each independently 1, 2, or 3 and wherein if any of o, p, or q are 2 or 3, each of R 4 , R 5 , and R 6 are chosen independently of each other and any other R 4 , R 5 , and R 6 ; R 7 is selected from the group consisting of: —H and alkyl; R 8 is selected from the group consisting of: —H, alkyl, alkenyl, benzyl, haloalkyl, haloalkenyl, and each R 9 are independently selected from the group consisting of: —H, halogen, alkyl, haloalkyl, and heteroalkyl; R 10 is selected from the group consisting of: —H, halogen, alkyl, haloalkyl, and heteroalkyl; R 11 is selected from the group consisting of: R 12 is selected from the group consisting of: —H, —OH, —O-alkyl, alkyl, X, haloalkyl, and heteroalkyl; R 14 is selected from the group consisting of: —H, halogen, alkyl, haloalkyl, and heteroalkyl; R 15 is selected from the group consisting of: —H, halogen, alkyl, haloalkyl, and heteroalkyl; X is a halogen; X 2 is selected from the group consisting of: —H, alkyl, —X, and —Sn(alkyl) 3 ; y is selected from the group consisting of: 1 or 2; and z is selected from the group consisting of: 1, 2, or 3; with the proviso that for formula (I), when R 11 is R 1 is butyl and R 2 is ethyl, R 3 is not: 2-Br-4-i-Pr; 2,4-Cl; 2,4,6-CH 3 ; 2-Cl-4-OCH 3 ; or 2-CH 3 -4-OCH 3 .