it is also best known as levbid
products containing hyoscyamine:
anaspaz, cystospaz, daturine, duboisine, duretter, egacene, egazil, gastrosed, levsin, levsinex, oin, peptard, scopolia extract, symax, buwecon, donnamar, nulev, neoquess
l-tropine tropate, l-hyoscyamine, l-hyoscamine, l-hyopscyamine, l-atropine, hyocyamine