Nobody has likely used it b/c its essentially a research chemical and there are conflicting reports of it being very expensive and it's not easy to get. Im sure overseas chemical supply houses like the ones that supply the prohormone market,ect. have it, or can get it but getting it here isn't all that easy.
Long before the internet a scammer in Ohio sold a Cimaterol product that turned out to be powdered caffeine.So someone now could crush up a bunch of clenbuterol and make "Cimaterol".