1,3,4-THIADIAZOLE, 2,5-DIPHENYL- 1456-21-9 2,5-Difenil-1,3,4-tiadiazolo [Italian] 2,5-Diphenyl-1,3,4-thiadiazole 4-27-00-07214 (Beilstein Handbook Reference) BRN 0170386 L 1540