4-Amino-2-Hydroxytoluene (4-amino-2-hydroxytoluén )
4-Amino-2-Nitrophenol (4-amino-2-nitrofenol )
4-Amino-3-Nitrophenol (4-amino-3-nitrofenol )
4-Amino-m-Cresol (4-Amino-m-krezol )
4-Chloro-2-Aminophenol (4-chlór-2-aminofenol)
4-Chlororesorcinol (4-chlóroresorcinol)
4-Hydroxypropylamino-3-Nitrophenol (4-hydroxypropylamino-3-nitrofenol)
4-Nitro-o-Phenylenediamine (4-Nitro-o-fenyléndiamín)