1 8R5 3-[5-chloranyl-6-[(1~{R})-1-pyridin-2-ylethoxy]-1,2-benzoxazol-3-yl]propanoic acid 1.000 2 8RB 3-[5-chloranyl-6-[(1~{R})-1-(6-methylpyridazin-3-yl)ethoxy]-1,2-benzoxazol-3-yl]propanoic acid 0.885