text: <unk>  or disoprominum, usually as the hydrochloride salt, is a synthetic spasmolytic which neutralizes spastic conditions of the biliary tract and of the sphincter of Oddi. It was discovered at Janssen Pharmaceutica in 1955.
option_0: Diisopromine
option_1: Dihydroergocryptine
option_2: Theobromine
option_3: Cyclobenzaprine
option_4: Clofoctol
option_5: Dihydroergotamine 
option_6: Hymecromone
option_7: Iopromide