Showing structure for 7,9-dibromo-n-[4-({7,9-dibromo-10-hydroxy-8-methoxy-2-azaspiro[4.5]deca-2,6,8-trien-3-yl}formamido)-3-hydroxy-2-oxobutyl]-10-hydroxy-8-methoxy-1-oxa-2-azaspiro[4.5]deca-2,6,8-triene-3-carboxamide