B. R1 = NHCH(CH2OH)2; R2 = COCH2OH: N,N’-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-(2-hydroxyacetamido)-2,4,6-trijodbenzen-1,3-dikarboxamid,
B. R1 = NHCH(CH2OH)2; R2 = COCH2OH: N,N’-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-(2-hydroxyacetamido)-2,4,6-trijodbenzen-1,3-dikarboxamid,