F. R1 = N(CH3)2; R2= COCHOHCH3: N-[2-hydroxy-1-(hydroxymethyl)ethyl]-5-(2-hydroxypropionamido)-N’-dimethy 1-2,4,6-trij odbenzen-1,3-dikarboxamid,
F. R1 = N(CH3)2; R2= COCHOHCH3: N-[2-hydroxy-1-(hydroxymethyl)ethyl]-5-(2-hydroxypropionamido)-N’-dimethy 1-2,4,6-trij odbenzen-1,3-dikarboxamid,