1,3,4-Thiadiazole, 2-amino-5-(p-nitrophenyl)- 2-Amino-5-(p-nitrophenyl)-1,3,4-thiadiazole 2-Amino-5-p-nitrofenil-1,3,4-tiadiazolo [Italian] 4-27-00-08116 (Beilstein Handbook Reference) 833-63-6 BRN 0212376 L 1470 NSC 83129