P3H4O1S1G2E1N1E1S1
15 points
PHOSGENES is validvalid
PHOSGENE, a poisonous gas [n]
PHOSGENE, a colorless poison gas made from chlorine and carbon monoxide [n]
PHOSGENE, a poisonous gas [n]
PHOSGENE, a colorless poison gas made from chlorine and carbon monoxide [n]