80976-69-8 BPHP Benzylpenicilloyl-heptapeptide Benzylpenicilloyl-leu-pro-ala-ser-asn-gly-val L-Valine, N-(N-(N2-(O-((5,5-dimethyl-2-(((phenylacetyl)amino)methyl)-4-thiazolidinyl)carbonyl)-N-(N-(1-L-leucyl-L-prolyl)-L-alanyl)-L-seryl)-L-asparaginyl)glycyl)-, (2R-trans)-