|Other names||Thiazesim; Thiazenone; SQ-10496|
|Chemical and physical data|
|Molar mass||326.46 g·mol−1|
|3D model (JSmol)|
Tiazesim (INN), or thiazesim (BAN, USAN), previously sold under the brand name Altinil, is a heterocyclic antidepressant related to the tricyclic antidepressants (TCAs) which, first introduced in 1966 by Squibb Corporation (now Bristol-Myers Squibb), has since been discontinued and is no longer marketed.