1 W22 [(2s)-4-methyl-3-oxo-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-2-yl]acetic acid 1.000 2 3VY (1-methyl-1h-indol-3-yl)acetic acid 0.722 3 OIA [(3s)-2-oxo-2,3-dihydro-1h-indol-3-yl]acetic acid 0.722