An intravenous anesthetic that has been used for rapid induction of anesthesia and for maintenance of anesthesia of short duration. (From Martindale, The Extra Pharmacopoeia, 30th ed, p918)

A barbiturate that is used as a sedative. Secobarbital is reported to have no anti-anxiety activity.

A 3:1 mixture of alfaxalone with alfadolone acetate that previously had been used as a general anesthetic. It is no longer actively marketed. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1445)

An intravenous anesthetic with a short duration of action that may be used for induction of anesthesia.

Pregnane derivatives in which two side-chain methyl groups or two methylene groups in the ring skeleton (or a combination thereof) have been oxidized to keto groups.

Process of administering an anesthetic through injection directly into the bloodstream.