Highly persistent
Skin primary route of exposure when in liquid form; pulmonary and GI tracts as routes in vapor form
Lewisite (L)
Sulfur mustard (H)
Phosgene oxime (CX)
Alkylation of DNA, RNA, and protein causing cell death
Depletes glutathione causing cellular membrane breakdown
Blister chemical agents
Blister chemical agents 
Toxic alcohols
Lewisite 
Bioterrorism antibiotics
Sulfur mustard 
Antiparasitic
Phosgene oxime 