编码描述:lactones (excl. gamma-butyrolactone; phenolphthalein; 1-hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl) 编码来源:英国原始海关数据 产品标签: plastics,phenolphthalein,ticl,methoxycarbonyl,butyrolactone,f head,other material,lactone,hydroxy,gamma