185433-47-0
→
~70%
474799-41-2
6-硝基吲哚酮
4950-04-3
diethyl 2-(2,4-dinitrophenyl)propanedioate
58605-12-2
2,4-二硝基苯乙酸甲酯
3,3-双(甲氧基羰基)-6-硝基吲哚-2-酮