Table 2.

Efficiency of MRM specific transitions for LA-NO₂ and OA-NO₂. The efficiency is expressed relative to the maximum signal obtained, which corresponds to the fragmentation following the formation of the NO₂⁻ product ion (324.2→46 and 326.2→46 for LA-NO₂ and OA-NO₂, respectively)

MRM transition	Product ion efficiency (%)
9-NO2-LA
324.2 → 46	100
324.2 → 168.1	7.9
324.2 → 210.1	1.5
324.2 → 224.1	3.3
10-NO2-LA
324.2 → 46	100
324.2 → 182.1	1.3
324.2 → 224.1	3.3
324.2 → 238.1	0.2
12-NO2-LA
324.2 → 46	100
324.2 → 157.1	7.3
324.2 → 171.1	14.2
324.2 → 195.1	1.4
324.2 → 213.1	0.8
13-NO2-LA
324.2 → 46	100
324.2 → 171.1	14.1
324.2 → 185.1	8.2
324.2 → 209.1	4.8
324.2 → 227.1	2.8
9-NO2-OA
326.2 → 46	100
326.2 → 168.1	4.6
10-NO2-OA
324.2 → 46	100
326.2 → 169.1	2.0