69319-30-8
2-methyl-3-(p-vinyloxyphenyl)-2,3-dihydro-4H-1,3-benzoxazin-4-one
→
~90%
20978-99-8
3-(4-ethoxyphenyl)-2-methyl-2H-1,3-benzoxazin-4-one
526-18-1
利胆酚