IUPAC:(5S,10R)-7,9-dibromo-N-[(2S)-3-{2,6-dibromo-4-[(1S)-2-{[(5R,10S)-7,9-dibromo-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-trien-3-yl]formamido}-1-hydroxyethyl]phenoxy}-2-hydroxypropyl]-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-triene-3-carboxamide
IUPAC:(5S,10R)-7,9-dibromo-N-[(2S)-3-{2,6-dibromo-4-[(1S)-2-{[(5R,10S)-7,9-dibromo-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-trien-3-yl]formamido}-1-hydroxyethyl]phenoxy}-2-hydroxypropyl]-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-triene-3-carboxamide