Patent ID: 8093401

Claim:
A compound of the formula: or a salt thereof, wherein: each of R 23 and R 24 is independently selected from H, —CH 3 and a solubilizing group; R 25 is selected from H and a solubilizing group; and R 19 is: wherein: each Z 10 , Z 11 , Z 12 and Z 13 is independently selected from CR 20 and CR 1 ″; wherein: zero to one R 20 is a solubilizing group; and zero to one R 1 ″ is an optionally substituted C 1 -C 3 straight or branched alkyl; each R 20 is independently selected from H and a solubilizing group; R 21 is selected from —NR 1 ′—C(O)— and —C(O)—NR 1 ′; and each R 1 ′ is independently selected from H and optionally substituted C 1 -C 3 straight or branched alkyl, wherein when R 1 ′ and/or R 1 ″ is substituted, R 1 ′ and/or R 1 ″ is substituted with one or more of —OH, halogen, —OR a , —O—COR a , —COR a , —C(O)R a , —CN, —NO 2 , —COOH, —COOR a , —OCO 2 R a , —C(O)NR a R b , —OC(O)NR a R b , —SO 3 H, —NH 2 , —NHR a , —N(R a R b ), —COOR a , —CHO, —CONH 2 , —CONHR a , —CON(R a R b ), —NHCOR a , —NRCOR a , —NHCONH 2 , —NHCONR a H, —NHCON(R a R b ), —NR c CONH 2 , —NR c CONR a H, —NR c CON(R a R b ), —C(═NH)—NH 2 , —C(═NH)—NHR a , —C(═NH)—N(R a R b ), —C(═NR c )—NH 2 , —C(═NR c )—NHR a , —C(═NR c )—N(R a R b ), —NH—C(═NH)—NHR a , —NH—C(═NH)—N(R a R b ), —NH—C(═NR c )—NH 2 , —NH—C(═NR c )—NHR a , —NH—C(═NR c )—N(R a R b ), —NR d —C(═NH)—NH 2 , —NR d —C(═NH)—NHR a , —NR d —C(═NH)—N(R a R b ), —NR d —C(═NR c )—NH 2 , —NR d —C(═NR c )—NHR a , —NR d —C(═NR c )—N(R a R b ), —NHNH 2 , —NHNHR a , —SO 2 NH 2 , —SO 2 NHR a , —SO 2 NR a R b , —CH═CHR a , —CH═CR a R b , —CR c ═CR a R b , CR c ═CHR a , —CR c ═CR a R b , —CCR a , —SH, —SO k R a , —S(O) k OR a and —NH—C(═NH)—NH 2 , wherein k is 0, 1 or 2; R a -R d are each independently an aliphatic, substituted aliphatic, benzyl, substituted benzyl, aromatic or substituted aromatic group; and —NR a R b , taken together, can also form a substituted or unsubstituted non-aromatic heterocyclic group; wherein a non-aromatic heterocyclic group, benzylic group or aryl group can also have an aliphatic or substituted aliphatic group as a substituent; a substituted aliphatic group can also have a non-aromatic heterocyclic ring, a substituted non-aromatic heterocyclic ring, benzyl, substituted benzyl, aryl or substituted aryl group as a substituent; and a substituted aliphatic, non-aromatic heterocyclic group, substituted aryl, or substituted benzyl group can have more than one substituent; and R 31 is selected from an optionally substituted monocyclic or bicyclic aryl, and an optionally substituted monocyclic or bicyclic heteroaryl, with the proviso that R 31 is not 2,4-dimethoxyphenyl.