Clazolam

Clazolam[1] (SAH-1123), also referred to as isoquinazepon, is a drug which is a fused benzodiazepine and tetrahydroisoquinoline derivative.

[2] It was developed in the 1960s but was never marketed.

[2] It possesses anxiolytic effects and is also claimed to have antidepressant properties.

[2][3]