G. R1 = NHCH2-CHOH-CH2OH; R2 = COCHOHCH3: 5-(2-hydroxypropionamido)-N-[2-hydroxy-1-(hydroxymelhyl)ethyl]-N’-(2,3-dihydroxypropyl-2,4,6-trijodbenzcn-1,3-dikarboxamid.
G. R1 = NHCH2-CHOH-CH2OH; R2 = COCHOHCH3: 5-(2-hydroxypropionamido)-N-[2-hydroxy-1-(hydroxymelhyl)ethyl]-N’-(2,3-dihydroxypropyl-2,4,6-trijodbenzcn-1,3-dikarboxamid.