F. R1 = N(CH3)2; R2= COCHOHCH3: N-[2-hydroxy-1-(hydroxymethyl)ethyl]-N´-dimethyl-5-(2--hydroxypropionamido)-2,4,6-trijodisoftalamid,
F. R1 = N(CH3)2; R2= COCHOHCH3: N-[2-hydroxy-1-(hydroxymethyl)ethyl]-N´-dimethyl-5-(2--hydroxypropionamido)-2,4,6-trijodisoftalamid,