121451-25-0
N-[2-aminophenyl]-2,6-piperidinedione
→
~38%
111211-54-2
(7CI,9CI)-3,4-二氢吡啶并[1,2-a]苯并咪唑-1(2H)-酮
95-54-5
1,2-苯二胺
108-55-4
戊二酸酐