Acarbose EP Impurity A

Chemical Name: O-4,6-dideoxy-4-[[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-enyl]amino]-α-d-glucopyranosyl-(1→4)-O-α-d-glucopyranosyl-(1→4)-d-arabino-hex-2-ulopyranose (as per EP & USP)

Smile: C[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@@H](O[C@H]3[C@H](O)C(CO)(O)OC[C@H]3O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1N[C@@H]4[C@H](O)[C@@H](O)[C@H](O)C(CO)=C4