| 2,4-Diaminobenzene sulfonic acid |
| 2,4-diamino-Benzenesulfonic acid |
| 1,3-diaminobenzene-4-sulfonic acid |
| 1,3-diaminobenzene-6-sulfonic acid |
| 1,3-diaminobenzenesulfonic acid |
| 1,3-phenylenediamine-4-sulfonic acid |
| 2,4-diaminobenzenesulfonic acid |
| 2,4-diamino-benzenesulfonic aci |
| kyselina 1,3-fenylendiamin-4-sulfonova |
| kyselina 2,4-diaminobenzensulfonova |
| m-phenylenediamine-4-sulfonic acid |
| m-phenylenediaminesulfonic acid |
| o-aminosulfanilic acid |
| m-Phenylenediamine-4-sulphonicacid |
| m-Diaminobenzene sulfonic acid |
| Benzenesulfonic acid,2,4-diamino- |