P3Y4R1E1T1H4R1O1I1D2S1
20 points
PYRETHROIDS is validvalid
PYRETHROID, [n]
PYRETHROID, any of various synthetic compounds related to the pyrethrins, and sharing their insecticidal properties [n]
PYRETHROID, [n]
PYRETHROID, any of various synthetic compounds related to the pyrethrins, and sharing their insecticidal properties [n]