Oxadiazoles and thiadiazoles
Thiadiazoles thiadiazolones
1,3,4-Thiadiazoles
Synthesis and bioactivity of a novel series of 3,6-disubstituted 1,2,4-triazolo[3,4-b]-1,3,4-thiadiazoles
1,2,5-Thiadiazole