Benzothiadiazine

Hydrochlorothiazide. Benzene is in the middle; heterocycle is on the right.

Benzothiadiazine is a bicyclic heterocyclic benzene derivative with the heterocycle containing two nitrogens and one sulfur.

Benzothiadiazine derivatives include:

• bendroflumethiazide
• chlorothiazide
• hydrochlorothiazide
• diazoxide