1 G3Z 1-ethyl-3-[5-pyridin-4-yl-8-(pyridin-3-ylamino)isoquinolin-3-yl]urea 1.000 2 O54 1-ethyl-3-[8-methyl-5-(2-methylpyridin-4-yl)isoquinolin-3-yl]urea 0.710