1-methyl-4,5-dihydro-[1,2,4]triazolo[3,4-d][1,5]benzothiazepine

5-甲基-[1,3,4]噁二唑-2-硫醇

2-甲基-1,3,4-噁二唑

N,N'-二乙酰基肼

1-acetylethoxycarbonylformamidrazone