Table 5.

Normalized responses for peaks detected at 1.5 min and 1.9 min in a drug-free hair sample spiked with DTG, a clinical hair sample, and a 3-hour sun-exposed DTG solution with 5 MRM transitions

	Normalized Peak Area (Ret Time = 1.5 min)			Normalized Peak Area (Ret Time = 1.9 min)
MRM Transition	Drug-Free Spiked Hair	Clinical Hair Sample	Sun Exposed Solution	Drug-Free Spiked Hair	Clinical Hair Sample	Sun Exposed Solution
420/277	100%	100%	100%	Not Detected	100%	100%
420/127	57%	58%	167%	Not Detected	62%	61%
420/136	9%	9%	5%	Not Detected	Not Detected	Not Detected
420/177	7%	6%	15%	Not Detected	Not Detected	Not Detected
420/377	5%	5%	3%	Not Detected	Not Detected	Not Detected