1 UN7 3-[3-(3(S)-methylcarbamoyl-7-sulfoamino-3,4,-dihydro-1h-isoquinolin-2-yl)-3-oxo-propyl]-benzoic acid 1.000 2 UN5 {3(S)-methylcarbamoyl-2-[3-(3-sulfoamino-phenyl)-propionyl]-1,2,3,4-tetrahydro-isoquinolin-7-yl}-sulfamic acid 0.784