T1R1I1C3H4L1O1R1F4O1N1S1
20 points
TRICHLORFONS is validvalid
TRICHLORFON, [n]
TRICHLORFON, a crystalline compound used esp. as an insecticide, also TRICHLORPHON [n]
TRICHLORFON, [n]
TRICHLORFON, a crystalline compound used esp. as an insecticide, also TRICHLORPHON [n]