Multiple choice Which of the following is the only bromine containing inhalational anesthetic agent? Guanine Halothane Haematoxylin HEPES Reveal answer Fill a bubble to check yourself B Correct answer Explanation Halothane is an inhalational general anesthetic. Its IUPAC name is 2-bromo-2-chloro-1,1,1-trifluoroethane. It is the only inhalational anesthetic agent containing a bromine atom.