3-methyl-1,3-dihydrothiazolo[3,4-b]indazole-2,2-dioxide

3,3'-bis(bromomethyl)-2,2'-biindazole

3-溴吲唑

甲基碘

(Z)-N-(2-acetylphenyl)-2-amino-2-oxoacetohydrazonoyl cyanide