91-56-5
吲哚-2,3-二酮
+
1576-35-8
对甲苯磺酰肼
→
28558-62-5
4-methyl-N'-(2-oxoindol-3-yl)benzenesulfonohydrazide
3265-29-0
3-Diazoindol-2(3H)-one
41940-27-6
5-oxo-3H-pyrazolo[1,5-c]quinazoline-1,2-dicarboxylic acid