Kappa-Carrageenan

[ (2R,3S,4R,5R,6S) -6-[[ (1R,3S,4R,5R,8S) -3,4-dihydroxy-2,6-dioxabicyclo[3.2.1]octan-8-yl]oxy]-4-[[ (1R,3R,4R,5R,8S) -8-[ (2S,3R,4R,5R,6R) -3,4-dihydroxy-6- (hydroxymethyl) -5-sulfonatooxyoxan-2-yl]oxy-4-hydroxy-2,6-dioxabicyclo[3.2.1]octan-3-yl]oxy]-5-hydroxy-2- (hydroxymethyl) oxan-3-yl] sulfate

C1[C@@H]2[C@@H]([C@H](O1)[C@H]([C@H](O2)O)O)O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)OS(=O)(=O)[O-])O[C@@H]4[C@@H]([C@@H]5[C@H]([C@H](O4)CO5)O[C@H]6[C@@H]([C@H]([C@H]([C@H](O6)CO)OS(=O)(=O)[O-])O)O)O)O