1,2,4-Triazolo(3,4-b)(1,3,4)thiadiazole, 3-(diphenylmethyl)-6-phenyl- 3-(Diphenylmethyl)-6-phenyl-1,2,4-triazolo(3,4-b)(1,3,4)thiadiazole 93073-26-8 BRN 4557757