Fecal samples from felines extracted with 50:50 MeOH:H2O and chromatographed using a Phenomenex polar C18 column. MS/MS data was acquired on a QExactive Orbitrap in positive ionization mode. Quantific
MS/MS fragmentation data of 23 different bile acid steroid core conjugated with amino acids acquired on Q Exactive (positive ionization mode)-with chromatographic separation on a Phenomenex polar C18