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Chromatograms of (a) flufenoxuron from the control, LOQ, and mealworm samples (#3 and #6), (b) lufenuron from the control, LOQ, mealworm samples (#6), and (c) noruron (norea) from the control, LOQ, and agricultural workers (#3, #9, and #10). The multiple reaction monitoring (MRM) transitions in the chromatograms were 489.1 > 158.2 (flufenoxuron), 510.9 > 158.2 (lufenuron), and 223.2 > 67.1 (noruron).
