EU Trademark Classification EU01 Chemicals Toluidine sulphate Class 01 Toluidine sulphate 5165 甲苯胺硫酸盐 Chinese 甲苯胺硫酸盐 English Toluidine sulphate Spanish sulfato de toluidina Site ref. 5165 Class 01 Included in Harmonised Database (HDB), TM5 ID List