Two merchandise ions at m/z 324 and 253 while in the spectra of metabolites M3.1 and M3.two have been formed by cleavage with the indazole side chains, indicating that the father or mother structure wasn't modified except for the terminal methyl ester. As An important metabolites, ester hydrolysis metabolites M3 https://manleyv593qak8.wikigdia.com/user