2-furanacryloyl-leucyl-glycyl-prolyl-alanine (2S)-3-{2-[(1E)-2-{[(1S)-1-({2-[(2S)-2-{[(1S)-1-carboxyethyl]carbamoyl}pyrrolidin-1-yl]-2-oxoethyl}carbamoyl)-3-methylbutyl]carbamoyl}eth-1-en-1-yl]-1λ3-furan-1-yl}-2-{[(2S)-1-{2-[(2S)-2-[(2E)-3-(furan-2-yl)prop-2-enamido]-4-methylpentanamido]acetyl}pyrro FA-LEU-GLY-PRO-ALA-OH FALGPA COLLAGENASE SUBSTRATE II N-(3-[2-FURYL]ACRYLOYL)-LEU-GLY-PRO-ALA N-[3-(2-FURYL)ACRYLOYL]-L-LEUCYL-GLYCYL-L-PROLYL-L-ALANINE CollagenaseⅠ