Cyclobarbital, also known as cyclobarbitol or cyclobarbitone, is a
barbituratederivative.[2] It was available in Russia as a fixed-dose combination with
diazepam (100 mg cyclobarbital + 10 mg diazepam; brand name Reladorm) for the treatment of insomnia but was discontinued in 2019.
^Breimer DD, Winten MA (March 1976). "Pharmacokinetics and relative bioavailability of cyclobarbital calcium in man after oral administration". European Journal of Clinical Pharmacology. 09 (5–6): 443–50.
doi:
10.1007/bf00606563.
PMID989475.
S2CID20271169.