Poly[oxy(methyl-1,2-ethanediyl)],R-hydro-ö- [[[[4-[[(sulfooxy)carbonyl]amino]butyl]amino]- carbonyl]oxy]-,ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1),trisodium salt
Poly[oxy(methyl-1,2-ethanediyl)],R-hydro-ö- [[[[4-[[(sulfooxy)carbonyl]amino]butyl]amino]- carbonyl]oxy]-,ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1),trisodium salt