- A colourless crystalline organic base, obtained from rosaniline by decrease, and in addition from other sources.
- A colorless, crystalline, natural base, gotten from rosaniline by reduction, also from other sources. It types colorless salts.
- A white crystalline substance (C20H21N3) developing colorless salts, served by managing fuchsine salts with zinc-dust and hydrochloric acid. It yields rosaniline by oxidation.