3d image of diphosgene skeletal formula

diphosgene trichloromethyl chloroformate surpalite carbonochloridate substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block phosgene liquid pulmonary chemical warfare highly toxic corrosive asphyxiant vapor pressure gas attack extremely aerosol smoke fog warfare agents treatment weapon diagnostic test symptom biohazard danger warning terrorism victim destruction lethal ww1 3d