6-溴-3,4-二氢-3-氧代-2H-苯并[B][1,4]噁嗪-8-羧酸甲酯

Methyl 6-bromo-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylate · CAS 141761-85-5