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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: J Nat Prod. 2009 Oct;72(10):1748–1754. doi: 10.1021/np900245k

Table 1.

Precursor and Fragment Ions in NanoLC-ESI-MS and -MS/MS Analyses of (+)-Discodermolide and Its Human Liver Microsomal Metabolites.

Analyte [M+H]+ ion,
m/z 		Fragment ions,
m/z
Discodermolide 594 393, 334
M1 628 610, 592, 567, 549, 531, 513, 411, 393, 385, 368, 225
M2 628 610, 592, 567, 549, 531, 513, 411, 393, 385, 368, 225
M3 610 592, 574, 549, 531, 513, 495, 477, 409, 391, 368, 350, 337, 307, 289, 271, 225
M4 610 592, 574, 549, 531, 513, 495, 477, 409, 391, 368, 350, 337, 322, 289, 261
M5 610 592, 574, 549, 531, 513, 495, 409, 391, 350, 337, 307, 289
M6 610 592, 574, 549, 531, 513, 495, 393, 350, 337, 307, 289
M7 610 592, 574, 549, 531, 513, 409, 350, 307, 289
M8 592 391, 334