上游原料
3-(Acetamido)-5-[[(2-hydroxyethyl)amino]carbonyl]-2,4,6-triiodobenzoic acid3-Chloro-1,2-propanediol; Glycerol alpha-monochlorohydrin3-[Acetyl(2,3-dihydroxypropyl)amino]-5-[[(2-hydroxyethyl)amino]carbonyl]-2,4,6-triiodobenzoic acid3-[Acetyl[2,3-bis(acetoxy)propyl]amino]-5-([[2-(acetoxy)ethyl]amino]carbonyl)-2,4,6-triiodobenzoic acid2-[acetyl-3-([[2-(acetoxy)ethyl]amino]carbonyl)-5-(chlorocarbonyl)-2,4,6-triiodoanilino]-1-[(acetoxy)methyl]ethyl acetate3-Amino-1,2-propanediol；3-aminopropane-1,2-diol2-(acetyl-3-([[2-(acetoxy)ethyl]amino]carbonyl)-5-[[(2,3-dihydroxypropyl)amino]carbonyl]-2,4,6-triiodoanilino)-1-[(acetoxy)methyl]ethyl acetate
