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8-Bromo-6-methyl-3,4-dihydro-2H-1-benzopyran-4-one: BD010451461026982-77-395%; ￥1405.01g

8-Bromochroman-4-one: BD111142204377-88-895%; ￥29.0100mg

6,8-Dibromochroman-4-one: BD55611915773-96-395+%; ￥2501.01g

8-Bromo-6-fluorochroman-4-one: BD3022661092350-87-295%; ￥2082.01g

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