420786-61-4
2-(4-甲酰基-2-硝基苯氧基)乙酸乙酯
→
~97%
615568-17-7
6-(hydroxymethyl)-4H-1,4-benzoxazin-3-one
202195-67-3
3-氧代-3,4-二氢-2H-1,4-苯并噁嗪-6-甲酸甲酯
~71%
3011-34-5
4-羟基-3-硝基苯甲醛