Erse agonist; liquid chromatography andem mass spectrometry; metabolite identification; metabolomicsPharmaceutics 2021, 13, 776. https://doi.org/10.3390/pharmaceuticshttps://www.mdpi.com/journal/pharmaceuticsPharmaceutics 2021,

Erse agonist; liquid chromatography andem mass spectrometry; metabolite identification; metabolomicsPharmaceutics 2021, 13, 776. https://doi.org/10.3390/pharmaceuticshttps://www.mdpi.com/journal/pharmaceuticsPharmaceutics 2021, 13,2 of1. Introduction Estrogen-related receptors (ERRs) are orphan nuclear receptors consisting of subunits ERR, ERR,…