A new sulphate metabolite as a long-term marker of metandienone misuse

- A new sulphate metabolite was detected as a long-term marker of metandienone use.
- It was characterized by GC-MS/MS and LC-MS/MS.
- It is 18-nor-17β-hydroxymethyl-17α-methyl-androst-1,4,13-triene-3-one sulphate.
- It improves the retrospectivity compared to previously reported metabolites.