clemastine fumarate, Pyrrolidine, 2-[2-[1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methyl-, [R-(R*,R*)]-, (E)-2-butenedioate (1:1), (+)-2-[2-[(p-Chloro-α-methyl-α-phenylbenzyl)oxy]ethyl]-1-methylpyrrolidine fumarate salt; Clemastine Fumarate; Clemastine fumarate salt; Tavist,Agasten; Pyrrolidine (2-[2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methyl;