Table 1.

MS/MS parameters for alcohol markers in meconium

Analyte	Q1 mass (m/z)	Q3 mass (m/z)	DP (V)	CE (V)	CXP (V)	RT (min)	Internal standard	Q1 mass (m/z)	Q3 mass (m/z)	DP (V)	CE (V)	CXP (V)	RT (min)
Ethyl laurate	229.1	201.1	56	13	20	5.26	Ethyl myristate-d5	262.2	230.3	81	15	16	6.85
	229.1	88.9	56	19	14			262.2	103.9	81	19	12
Ethyl myristate	257.2	229.2	85	15	20	6.89	Ethyl myristate-d5	262.2	230.3	81	15	16	6.85
	257.2	103	85	17	12			262.2	103.9	81	19	12
Ethyl linolenate	307.1	81.0	71	33	12	7.08	Ethyl linoleate-d5	314.2	263.3	81	13	20	7.97
	307.1	261.3	71	13	20			314.2	245.2	81	15	16
Ethyl palmitoleate	283.1	219.2	60	17	16	7.43	Ethyl palmitate-d5	290.3	258.4	86	17	12	8.42
	283.1	237.1	60	13	30			290.3	71.0	86	23	12
Ethyl arachidonate	333.2	287.2	66	15	20	7.90	Ethyl arachidonate-d5	338.4	287.3	96	13	20	7.88
	333.2	90.9	66	57	10			338.4	91.0	96	59	14
Ethyl linoleate	309.2	263.3	56	13	14	8.01	Ethyl linoleate-d5	314.2	263.3	81	13	20	7.97
	309.2	245.3	56	15	18			314.2	245.2	81	15	16
Ethyl palmitate	285.1	257.3	41	15	22	8.45	Ethyl palmitate-d5	290.3	258.4	86	17	12	8.42
	285.1	71.1	41	21	34			290.3	71.0	86	23	12
Ethyl oleate	311.2	265.3	100	15	24	8.69	Ethyl oleate-d5	316.3	265.4	86	15	22	8.67
	311.2	247.2	100	17	20			316.3	247.1	86	17	20
Ethyl stearate	313.1	285.3	46	17	22	9.06	Ethyl stearate-d5	318.3	286.2	56	17	22	9.05
	313.1	71.1	46	25	10			318.3	71.1	56	25	10
Ethyl sulfate (EtS)	124.9	96.9	−50	−22	−9	1.38	d5-EtS	129.9	97.9	−75	−24	−9	1.36
	124.9	79.9	−50	−40	−9			129.9	79.8	−75	−40	−13
Ethyl glucuronide (EtG)	221.0	75.0	−60	−22	−7	2.14	d5-EtG	226.0	74.9	−100	−22	−5	2.09
	221.0	85.0	−60	−20	−9			226.0	84.9	−100	−22	−5

Bold font denotes quantifier transition. Entrance potential was ±10 V for all analytes

DP declustering potential, CE collision energy, CXP collision exit potential