1,2-bis(benzoxazol-2-yl)ethane

ethyl N-(2H-1,4-benzoxazin-3-ylamino)carbamate

2-氨基苯酚-4-磺酰苯胺

N,N'-bis(2-hydroxyphenyl)propanediamide

3H,5H-1,5-benzoxazepine-2,4-dione