2-deoxy-2 -(1, 3-dihydro-1, 3-dioxo-2h-isoindole-2-yl) -beta-d-glucopyranoyl azide 3,4, 6-triacetate is an important pharmaceutical intermediate. Its English name is 2-Deoxy-2-(1, 3-dihydro-1, 3-dioxo-2h-isoindol-2-yl) -β-d-Glucopyranosylazide3, 4, 6-triacetate, which has a high purity, usually reaching more than 98%. This compound plays a key role in the pharmaceutical manufacturing process and can be used to synthesize various drug molecules