The molecule is a heparin icosasaccharide consisting of 4-deoxy-2-O-sulfo-L-threo-hex-4-enopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl,2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl, and 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranose units joined in sequence by alpha-(1->4) linkages. Sequence: DUA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S-(1-4)-a-L-IdoA2S-(1-4)-a-D-GlcNS6S. It is a heparin icosasaccharide, an amino oligosaccharide and an oligosaccharide sulfate.
(2R,3R,4S)-2-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxy-6-[(2R,3S,4R,5R,6S)-4,6-dihydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-4-hydroxy-5-(sulfoamino)-2-(sulfooxymethyl)oxan-3-yl]oxy-4-hydroxy-3-sulfooxy-3,4-dihydro-2H-pyran-6-carboxylic acid