1 8HO 2-[(1-methyl-4-oxidanyl-7-phenoxy-isoquinolin-3-yl)carbonylamino]ethanoic acid 1.000 2 9II 2-[[1-methoxy-4-oxidanyl-7-(4-phenylphenoxy)isoquinolin-3-yl]carbonylamino]ethanoic acid 0.735 3 9GC 2-[[1-methoxy-4-oxidanyl-7-[4-(phenylmethyl)phenoxy]isoquinolin-3-yl]carbonylamino]ethanoic acid 0.714 4 9IF 2-[[1-methoxy-4-oxidanyl-7-(4-phenoxyphenoxy)isoquinolin-3-yl]carbonylamino]ethanoic acid 0.714