Miglustat is a hydroxypiperidine that is deoxynojirimycin in which the amino hydrogen is replaced by a butyl group. It has a role as an EC 2.4.1.80 (ceramide glucosyltransferase) inhibitor and an anti-HIV agent. It is a member of piperidines and a tertiary amino compound. It is functionally related to a duvoglustat.