4-methoxy-2H-1,4-benzoxazin-3(4H)-one

7-羟基-2H-苯并[b][1,4]噁嗪-3(4H)-酮

硫酸二甲酯

ethyl 2-(2-nitrophenoxy)acetate

N1-(2,4-二甲氧基苯基)-2-氯乙胺