0-18-00-00592 (Beilstein Handbook Reference) 10215-25-5 3,7-Thiaxanthenediamine-5,5-dioxide 9H-Thioxanthene-3,6-diamine, 10,10-dioxide 9H-Thioxanthene-3,7-diamine, 5,5-dioxide BRN 0233223 EINECS 233-527-1