6-benzyl-4,7-diphenyl-[1,2,5]thiadiazolo[3,4-c]pyridine

2,5-二苯基吡嗪

(4,7-Diphenyl-[1,2,5]thiadiazolo[3,4-c]pyridin-6-yl)-phenyl-methanone

3,4-diamino-6-ethyl-2,5-diphenylpyridine