2,3,5,6-Tetraiodoterephthalic acid bis(2,3-dihydroxypropyl) ester 61838-99-1 B 13030 BRN 2186734 Bis(2,3-dihydroxypropyl) 2,3,5,6-tetraiodoterephthalate Terephthalic acid, 2,3,5,6-tetraiodo-, bis(2,3-dihydroxypropyl) ester