32. Toluidiny●, jejich isomery, soli, halogenované a sulfonované deriváty;
Toluidines, their isomers, salts and halogenated and sulphonated derivatives°
32. Toluidiny●, jejich isomery, soli, halogenované a sulfonované deriváty;
Toluidines, their isomers, salts and halogenated and sulphonated derivatives°