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. Author manuscript; available in PMC: 2017 Mar 15.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2016 Feb 18;1015-1016:201–208. doi: 10.1016/j.jchromb.2016.02.018

Table 1.

MS/MS settings (ABSciex 5500) for R-bupropion, S-bupropion, (2R,3R)-4-hydroxybupropion, (2S,3S)-4-hydroxybupropion, erythro-dihydrobupropion A and B, threo-dihydrobupropion A and B, and acetaminophen (internal standard)

Compound Q1
(m/z)		 Q3
(m/z)		 Declustering
Potential
(volts)		 Entrance
Potential
(volts)		 Collision
Energy
(volts)		 Exit Potential
(volts)
R- and S-bupropion 240.1 184.0 66 8 17 10
(2R,3R)-4-hydroxybupropion and
(2S,3S)- 4-hydroxybupropion		 255.9 139.0 66 6 35 10
erythro-dihydrobupropion A and B,
and threo-dihydroburpopion A and B		 241.9 116.0 51 10 45 8
acetaminophen 152.0 109.9 86 4 21 4