吲哚-2,3-二酮

2-(2-oxo-1H-indol-3-ylidene)propanedinitrile

1,3-dihydroxy-1,3-dihydro-indol-2-one

3-羟基-3-(2-氧代-2-苯基乙基)-1,3-二氢-2H-吲哚-2-酮

水合肼