上游原料
3-Amino-1,2-propanediol；3-aminopropane-1,2-diolethyl chloroacetate; ethyl 2-chloroacetate5-amino-2,4,6-triiodoisophthalic acid5-amino-2,4,6-triiodoisophthaloyl dichloride2-[3,5-bis(chlorocarbonyl)-2,4,6-triiodoanilino]-2-oxoethyl acetate2-[3,5-bis(chlorocarbonyl)-2,4,6-triiodomethylanilino]-2-oxoethyl acetate3-Amino-1,2-propanediol；3-aminopropane-1,2-diolethyl chloroacetate; ethyl 2-chloroacetatedimethyl 5-hydroxyisophthalateN(1),N(3)-bis(2,3-dihydroxypropyl)-5-hydroxyisophthalamideN(1),N(3)-bis(2,3-dihydroxypropyl)-5-hydroxy-2,4,6-triiodoisophthalamideethyl 2-(3,5-bis[[(2,3-dihydroxypropyl)amino]carbonyl]-2,4,6-triiodophenoxy)acetateN(1),N(3)-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-5-[2-(methylamino)-2-oxoethoxy]isophthalamide
