1,3,4-Thiadiazole, 2,3-dihydro-2-(oxiranylmethoxy)-2,3,5-triphenyl- 160455-73-2 2,3-Dihydro-2-(oxiranylmethoxy)-2,3,5-triphenyl-1,3,4-thiadiazole 5-Glycidyloxy-2,4,5-triphenyl-delta(sup 2)-1,3,4-thiadiazoline