https://experts.arizona.edu/en/publications/cocaine-metabolite-benzoylecgonine-in-hair-and-urine-of-drug-user/
Cocaine Metabolite (Benzoylecgonine) in Hair and Urine of Drug Users - University of Arizona
cocainemetabolitebenzoylecgoninehairurine
https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C22H33NO4Si/c1-22(2%2C3)28(5%2C6)27-21(25)19-17-13-12-16(23(17)4)14-18(19)26-20(24)15-10-8-7-9-11-15/h7-11%2C16-19H%2C12-14H2%2C1-6H3
Benzoylecgonine, TBDMS derivative
benzoylecgoninederivative