229 / 658
3
Table 2. SRM parameters used for the analysis
Compound
Retention Time
(minutes)
Precursor
Ion
Product
Ion
S-Lens
Collision
Energy
7-Aminoclonazepam
4.56
286.1
222.2
114
24
7-Aminoflunitrazepam
4.70
284.1
135.1
101
26
7-Aminonitrazepam
4.56
252.1
121.1
96
26
α
-OH-Alprazolam
6.20
325.1
297.1
102
24
α
-OH-Midazolam
7.24
342.1
324.1
102
19
α
-OH-Triazolam
5.95
359.1
331.0
101
23
Alprazolam
6.66
309.1
205.1
112
38
Bromazepam
5.73
316.0
182.1
100
31
Chlordiazepoxide
7.64
300.1
227.1
95
24
Clobazam
6.35
301.1
259.1
96
19
Clonazepam
6.10
316.1
270.1
114
23
Demoxepam
5.67
287.1
178.0
91
21
Desalkylflurazepam
7.02
289.1
140.1
123
28
Desmethylflunitrazepam
5.80
300.1
254.1
95
23
Diazepam
8.47
285.1
193.1
91
28
Estazolam
6.31
295.1
267.1
119
22
Flunitrazepam
6.20
314.1
268.1
89
25
Flurazepam
9.16
388.2
315.1
117
20
Lorazepam
6.67
323.0
277.1
100
21
Lormetazepam
7.32
335.1
289.1
88
21
Medazepam
10.57
271.1
207.1
86
26
Midazolam
8.41
326.1
291.1
129
25
Nitrazepam
6.20
282.1
236.1
95
23
Norclobazam
5.96
287.1
245.1
81
19
Nordiazepam
7.98
271.1
140.1
99
27
Oxazepam
6.76
287.1
241.1
106
21
Prazepam
10.03
325.1
271.1
100
21
Temazepam
7.12
301.1
255.1
96
22
Tetrazepam
9.96
289.1
225.2
117
28
Trazodone
9.34
372.2
148.1
115
32
Triazolam
6.49
343.1
308.1
146
25
Zaleplone
5.43
306.1
236.1
100
26
Zolpidem
7.10
308.2
235.2
116
33