The molecule is a trisaccharide consisting of three alpha-D-glucose units connected via (1->3) linkages. Also known as alpha-nigerotriose. It is an alpha-D-Glcp-(1->3)-alpha-D-Glcp-(1->3)-D-Glcp and a glucotriose.
(2S,3R,4S,5R,6R)-4-[(2R,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)oxane-2,3,5-triol