P3H4O1S1P3H4I1N1S1
19 points
PHOSPHINS is validvalid
PHOSPHIN, a poisonous gas
PHOSPHIN, a colorless gas analogous to ammonia, and having a disagreeable odor resembling that of garlic, also PHOSPHINE
PHOSPHIN, a poisonous gas
PHOSPHIN, a colorless gas analogous to ammonia, and having a disagreeable odor resembling that of garlic, also PHOSPHINE