IUPAC:{2-[(1S,2S,4R,6R,8S,9S,11S,12S,13R)-6-[4-({3-[(2S)-2-[(2S)-2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetamido]propanamido]propanamido]phenyl}methyl)phenyl]-11-hydroxy-9,13-dimethyl-16-oxo-5,7-dioxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosa-14,17-dien-8-yl]-2-oxoethoxy}phosphonic acid
IUPAC:{2-[(1S,2S,4R,6R,8S,9S,11S,12S,13R)-6-[4-({3-[(2S)-2-[(2S)-2-[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetamido]propanamido]propanamido]phenyl}methyl)phenyl]-11-hydroxy-9,13-dimethyl-16-oxo-5,7-dioxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosa-14,17-dien-8-yl]-2-oxoethoxy}phosphonic acid