98635-34-8 4-Amino-5-hydroxy-6-[2-sodiosulfo-5-(4-vinylsulfonylbutyrylamino)phenylazo]-3-(4-vinylsulfonylphenylazo)-2,7-naphthalenedisulfonic acid disodium salt
98640-71-2 Collagenase Chromophore Substrate Test Substance (for quantitative Collagenase-Determination)