EU Trademark Classification EU01 Chemicals Tolidine sulphate Class 01 Tolidine sulphate 5149 硫酸联甲苯胺 Chinese 硫酸联甲苯胺 English Tolidine sulphate Spanish sulfato de tolidina Site ref. 5149 Class 01 Included in Harmonised Database (HDB), TM5 ID List