1-(4-(N-(1-carboxy-2-(3,6-dihydroxy-9H-xanthen-9-yl)phenyl-5-yl)aminobenzyl))ethylenediamine-N,N,N',N'-tetraacetic acid
1-(4-(n-(1-carboxy-2-(3,6-dihydroxy-9h-xanthen-9-yl)phenyl-5-yl)aminobenzyl))ethylenediamine-n,n,n',n'-tetraacetic acid