
Keywords: 3β-HCA; 3β-hydroxycholest-5-en-(25R)-26-oic acid; 4-DMAP; 4-dimethylaminopyridine; API; atmospheric pressure ionisation; EADSA; enzyme-assisted derivatisation for sterol (or steroid) analysis; EBI2; Epstein-Barr virus induced gene 2; ER; estrogen rece