| n-(1-methyl-4-phenyl-2-pyrrolidinylidene)-benzeneethanamin (e)-2-butenedioa |
| 1-methyl-4-phenyl-2-phenylethyliminopyrrolidine hydrogen fumarate |
| n-(1-methyl-4-phenyl-2-pyrrolidinylidene)benzeneethanamine (e)-2-butenedioate |
| n-(1-methyl-4-phenyl-2-pyrrolidinylidene)-benzeneethanamin (e)-2-butenedioate (1:1) |
