3251-56-7
4-硝基愈创木酚
+
108-24-7
乙酸酐
→
~98%
67851-29-0
(2-methoxy-4-nitrophenyl) acetate
75-36-5
乙酰氯
~97%
105780-30-1
2-methoxy-4,5-dinitrophenol