Twice the per-tablet strength of most turinabol products: Dragon Pharma presses this one at 20 mg and puts 100 tablets in the pack, two grams of active substance in a single container.
The molecule, 4-chlorodehydromethyltestosterone, is a structural cousin of methandienone with chlorine substituted at the fourth carbon. That substitution removes any path to estrogen conversion and leaves the compound low on the androgenic scale relative to testosterone, while 17-alpha alkylation is what keeps it active in tablet form.