Table 1.

MRM settings. The specific MRM settings for each ion are presented in the table. The specific tuning parameters for the MS/MS (Sciex API 4000) were ion source temperature 550 °C, ion source voltage +5500 V, nebulizer gas setting 50, drying gas setting 60, curtain gas setting 20, entrance potential +10 V and nitrogen collision chamber gas pressure 6 psi

Q1	Q3	Dwell (ms)	DP	CE	CXP
380.3	264.5	200	81	27	16
380.3	82.1	200	81	45	14
387.3	271.1	200	91	27	14
387.3	82.1	200	91	47	8
763.6	185.3	30	110	43	12