. 2015 Mar 16;10(3):e0120403. doi: 10.1371/journal.pone.0120403

Table 2. Compound specific liquid chromatography/ mass spectrometry parameters for flurbiprofen (FLB), 4’-hydroxyflurbiprofen (OHF) and the respective deuterated internal standards FLB-d₃ and OHF-d₃.

Compound	Transition	DP (V)	CE (V)	Retention time (min)
FLB	243 → 199	-26	-10	8.1
OHF	259 → 215	-16	-12	7.7
FLB-d₃	246 → 202	-21	-12	8.1
OHF-d₃	262 → 218	-21	-12	7.7

DP, declustering potential; CE, collision energy.

Table 2. Compound specific liquid chromatography/ mass spectrometry parameters for flurbiprofen (FLB), 4’-hydroxyflurbiprofen (OHF) and the respective deuterated internal standards FLB-d3 and OHF-d3.