Potent lachrymal agent
Symptom onset may be immediate after exposure or delayed 1-2 days
Mucosal irritation of eyes, nose, pharynx, skin
Cough, chest pain, SOB
At high levels: pulmonary edema, severe reactive airway disease, bronchial/alveolar hemorrhage
Methyl isocyanate
Blister chemical agents 
Ethacrynic acid
Lewisite 
Nitrous oxide
Sulfur mustard 
Naphthalene
Phosgene oxime 