Analytical methods for Challenge14

Sample: The compound is a natural product. The molecular formula of the precursor [M+H]+ is C21H25N2O3.

Precursor ion type: [M+H]+
Molecular formula of precursor ion: C21H25N2O3
Instrument: LCMS-IT-TOF (Shimadzu)
Ion source: APCI, positive ion mode
Sample Introduction: Infusion of water solution
CID condition: Gas 35%, CID energy 40%