ethyl (S)-2-((tert-butoxycarbonyl)amino)-3-(1-(7-methoxy-3-oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)-4-oxocyclohexa-2,5-dien-1-yl)propanoate

ethyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-(7-methoxy-3-oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)phenyl)propanoate

7-甲氧基-2H-苯并[b][1,4]噁嗪-3(4H)-酮

4-(4-hydroxyphenyl)-7-methoxy-2H-1,4-benzoxazin-3(4H)-one

4-(2-hydroxyphenyl)-7-methoxy-2H-1,4-benzoxazin-3(4H)-one