GB/T 23670-2016
2-Amino-5-chloro-4-methybenzenesulfonic acid(CLT acid)
HG/T 5946\uff5e5948-2021
HG/T 5947-2021
GB/T 23670-2009
2-Amino-5-chloro-4-methybenzenesulfouic acid(CLT acid)
HG/T 5709\uff5e5712-2020
20232997-T-606
CLTacid(2-Amino-5-chloro-4-methylbenzenesulfonic acid)
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
GB/T 33792-2017
2,4-Diaminobenzenesulfonic acid sodium salt
HG/T 5623-2019
HG/T 5694\uff5e5697-2020
SH/T 1779-2014
HG/T 4247-2011
HG/T 2897-2016
1-Naphthol-4-sulfonic acid (Neville and Winter's acid)
UNE 84105:2007
Cosmetic raw materials. Sunscreens. 5-phenylmethoxo-4-hydroxy-2-methoxysulfonic acid.
HG/T 3387-2016
1-Naphthylamine-4-sulfonic acid sodium salt
HG/T 4483-2012
KS M ISO 17531-2019
Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
DB43/T 2200-2021
HG/T 5785-2021
4-Chlorophthalic anhydride for industrial use