Long story short then DHEA and 1-DHEA are not the same, but similar.
The competition I am wanting to do specifically bans Dehydroepiandrosterone (DHEA, 3-beta-Hydroxy-5-androsten-17-one, 3-beta-Hydroxyandrost-5-en-17-one, 3-beta- Hydroxy-D5-androsten-17-one...