上下游产品
4-hydroxy[1]benzopyran-2-one Cinnamoyl chloride benzaldehyde 3-acetyl-4-hydroxychromen-2-one 4-hydroxy-3-(5-phenyl-4,5-dihydro-1H-pyrazol-3-yl)coumarin H-pyrazol-3-yl)-4-hydroxy-chromen-2-one3-(1-chloroacetyl-5-phenyl-4,5-dihydro-1H-pyrazol-3-yl)-4-hydroxy-chromen-2-one H-pyrazol-3-yl)-4-hydroxy-chromen-2-one3-(1-hydrazinoacetyl-5-phenyl-4,5-dihydro-1H-pyrazol-3-yl)-4-hydroxy-chromen-2-one N-[3-cyano-6-(4-hydroxy-2-oxo-2H-chromen-3-yl)-4-phenyl-pyridin-2-yl]-acetamidineN-[3-cyano-6-(4-hydroxy-2-oxo-2H-chromen-3-yl)-4-phenyl-pyridin-2-yl]-acetamidine 海关参考信息
- 2901210000-乙烯
2901220000-丙烯
2902300000-甲苯
2902500000-苯乙烯 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则