A Study on the Quinone Compound 31-Homorifamycin W by FABMS

In the paper the quasi-Molecular ion of quinone compound 31-Homorifamycin Wwas measured, it is (M＋3H) in the glycerol Matrix, but (M＋H )＋in the 3-Ntrobenzylalcohol (NBA )matrix. It Probably resulted from the hydroquinone in the glycerol matrixof the FAB source.