A simplified strategy for molecular formula determination of chemical constituents in traditional Chinese medicines based on accurate mass, A + 1 and A + 2 isotopic peaks using Fourier transform ion cyclotron resonance mass spectrometry
2020 ◽
2020 ◽
2020 ◽
2020 ◽
2020 ◽
2020 ◽
2020 ◽
2020 ◽
2020 ◽