https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C17H13N3O5S2/c21-15(13-3-1-2-4-14(13)16(22)23)19-11-5-7-12(8-6-11)27(24%2C25)20-17-18-9-10-26-17/h1-10H%2C(H%2C18%2C20)(H%2C19%2C21)(H%2C22%2C23)
Phthalylsulfathiazole
https://webbook.nist.gov/cgi/cbook.cgi?ID=85-73-4
Phthalylsulfathiazole