英文别名Pilocarpine Impurity 1 (Pilocarpine EP Impurity A); beta-pilocarpine hydrochloride; Isopilocarpine HCl; Pilocarpine EP Impurity A; (3R,4R)-3-Ethyl-4-[(1-methyl-1H-imidazol-5-yl)methyl]dihydrofuran-2(3H)-one Hydrochloride; 2(3H)-Furanone, 3-ethyldihydro-4-[(1-methyl-1H-imidazol-5-yl)methyl]-, monohydrochloride, (3R,4R)- (9CI) 
