Fondaparinux
(2S,3S,4R,5R,6R)-6-((2R,3R,4R,5R,6R)-6-((2R,3S,4S,5R,6R)-2-carboxy-4-hydroxy-6-((2R,3S,4R,5R,6S)-4-hydroxy-6-methoxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl)oxy-5-sulfooxyoxan-3-yl)oxy-5-(sulfoamino)-4-sulfooxy-2-(sulfooxymethyl)oxan-3-yl)oxy-3-((2R,3R,4R,5S,6R)-4,5-dihydroxy-3-(sulfoamino)-6-(sulfooxymethyl)oxan-2-yl)oxy-4,5-dihydroxyoxane-2-carboxylic acid