What are some other drugs in the same class as scopolamine?

Many but not same. Scopolamine , originally from s amerplant , synthetic version available , has anti cholenergic , anti muscarine like effects , some drugs has some of its properties like atropine, Demerol (meperidine hydrochloride) , antihistamines etc . Patches used for motion sickness , pre anesthetic medications that is good legal part , but also used criminal purposes (date rape , hallucinogen etc ) , and illegal recreation purposes.