143728-97-6 Cochinmicin I Glycine, D-2-(3,5-dihydroxyphenyl)-N-(D-2-(3,5-dihydroxyphenyl)-N-(N-(N-(N-(N-(2,3,4,5-tetrahydroprolyl)-L-phenylalanyl)-D-allothreonyl)-D-phenylalanyl)-D-alanyl)glycyl)-, xi-lactone