Table 2
Compound

Precursor ion (m/z)

Product ion (m/z)

Collision energy (eV)

Salmeterol

416
416
416

380
398
232

20
14
14

d3-salmeterol (ISTD)

419

383

22

α-hydroxysalmeterol

432
432
432

396
378
131

19
21
32

Ractopamine (ISTD)

307

167

16

Table 2: Acquisition parameters for the analysis of salmeterol and α-hydroxysalmeterol.