4-hydroxy-3-[(4-hydroxy-2-oxo-2H-chromen-3-yl)methyl]-2H-chromen-2-one

产品介绍：

基本信息

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. H372: Causes damage to organs .. H411: Toxic to aquatic life with long lasting effects.
防范说明	P260: Do not breathe . P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P273: Avoid release to the environment. P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P314: Get medical advice/attention if you feel unwell. P330: Rinse mouth. P391: Collect spillage. P501: Dispose of contents/container to local regulations.

4-羟基-3-[(4-羟基-2-氧代-2H-色烯-3-基)甲基] -2H-吡喃-2-酮