[7-(2-{4-[(2S)-2-({[(3R)-1-carbamimidoylpiperidin-3-yl]acetyl}amino)-3-methoxy-3-oxopropyl]phenyl}ethyl)-1H-indol-3-yl](oxo)acetic acid
[7-(2-{4-[(2s)-2-({[(3r)-1-carbamimidoylpiperidin-3-yl]acetyl}amino)-3-methoxy-3-oxopropyl]phenyl}ethyl)-1h-indol-3-yl](oxo)acetic acid