CAS No 149998-47-0 , 1-Oxa-2-azaspiro[4.5]deca-2,6-diene-3-carboxamide,7,9-dibromo-N-[(2R)-3-[2,6-dibromo-4-[2-[[[(5S,9S,10R)-7,9-dibromo-10-hydroxy-8-oxo-1-oxa-2-azaspiro[4.5]deca-2,6-dien-3-yl]carbonyl]amino]-1-hydroxyethyl]phenoxy]-2-hydroxypropyl]-10-hydroxy-8-oxo-,(5S,9S,10R)-