LC Conditions:
Solvent gradient:0 min: 40/60 methanol/water
15 min: 100/0 methanol/water
30 min: 100/0 methanol/water
32 min: 40/60 methanol/water
MS parameters:Atmospheric pressure chemical ionization (APCI)
Acquisition mode: APCI+/APCI–(Scan)
Drying gas temperature: 250 °C
Vaporizer temperature: 450 °C
Full-scan range: 100–1500 m/z