Other subjects explored include hydrogen bonding effects on the photochemistry of chromophores in solution, photochemical generation of silicon-centered radicals and their reactions, and photochemical processes at the air-water interface of atmospheric droplets.
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class of psychoactive drugs. It is the world's most widely consumed psychoactive drug, but unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world.
acetaminophen/butalbital/caffeine/codeine systemic. Brand names: Fioricet with Codeine, Phrenilin with Caffeine and Codeine. Drug class(es): narcotic analgesic combinations. Acetaminophen/butalbital/caffeine/codeine systemic is used in the treatment of: Headache.