Figure 29.

Chemical structures of probes 169—178, where mpiq = 1‐(4′‐methylphenyl)isoquinoline), tfpiq = 1‐(4′‐trifluoromethylphenyl)‐isoquinoline), ampiq = 1‐(5′‐amino‐4′‐methylphenyl)isoquinoline), atfpiq = 1‐(5′‐amino‐4′‐trifluoromethylphenyl)isoquinoline), deampiq = 1‐(5′‐diethylamino‐4′‐methylphenyl)isoquinoline), gmpiq = 1‐(5′‐guanidyl‐4′‐methylphenyl)isoquinoline), imzmpiq = 1‐(5′‐iminoimidazolidinyl‐4′‐methylphenyl)isoquinoline), and imztfpiq =1‐(5′‐iminoimidazolidinyl‐4′‐trifluoromethylphenyl)isoquinoline).