The following anesthetic agents are known triggers of MH and are not safe for use in (MH) Malignant Hyperthermia-susceptible patients:
What Drugs trigger MH and are Not Safe?

Inhaled General Anesthetics
Choroform (Trichloromethane, Methyltrichloride)
Desflurane, Enflurane, Halothane, Isoflurane, Methoxyflurane, Sevoflurane, Trichloroethylene

Xenon (Rarely Used)
Depolarizing Muscle Relaxants Trigger MH
Succinylcholine (Suxamethonium)

Resource: Malignant Hyperthermia Association of the United States