Chemical Name: 4-Methylbenzene sulfonic acid
Smiles: O=S(C1=CC=C(C)C=C1)(O)=O
Inchi: InChI=1S/C20H23ClN2O5.C4H4O4/c1-4-28-20(25)18-15(11-27-10-9-22)23-12(2)16(19(24)26-3)17(18)13-7-5-6-8-14(13)21;5-3(6)1-2-4(7)8/h5-8H,4,9-11,22H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;2-1+