61826-29-7

Clemastine Impurity 2 Benzopyrene Impurity 16 SS isomer of clemastine fumarate Clemastine Impurity 2 Fumarate (S,S-isomer) (+)-2-<2-<1-(4-Chlorphenyl)-1-phenylethoxy>ethyl>-1-methylpyrroliden-hydrogenfumarat Pyrrolidine, 2-[2-[(1S)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methyl-, (2S)-, (2E)-2-butenedioate (1:1) Pyrrolidine, 2-[2-[1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methyl-, [S-(R*,R*)]-, (E)-2-butenedioate (1:1)