5,6-diphenyl-[1,2,5]thiadiazolo[3,4-b]pyrazine

2,3-diazido-5,6-diphenylpyrazine

2-amino-3-azido-5,6-diphenylpyrazine

联苯甲酰

3-硝基-5,6-二苯基-1H-吡嗪-2-酮