1-O-Acetamido-β-D-glucopyranuronic Acid 3,4-Diacetate Methyl Ester is an intermediate in synthesizing N-Hydroxy Vortioxetine O-β-D-Glucuronide Sodium Salt (H996005), which is a metabolite of Vortioxetine (V766000, HBr); a multimodal serotonergic agent which inhibits 5-HT1A, 5-HT1B, 5-HT3A, 5-HT7 receptor and SERT.