14 写出D-甘露糖与下列试剂作用的主要产物: a. Br 2 -H 2 O b. HNO 3 c. C 2 H 5 OH+ 无水 HCl d. 由 c 得到的产物与硫酸二甲酯及氢氧化钠作用 e. (CH 3 CO) 2 O f. NaBH 4 g. HCN ,再酸性水解 h. 催化氢化 i. 由 c 得到的产物与稀盐酸作用 j. HIO 4
【简答题】International Trade Terms An intemational trade deal can involve up to four contracts and the importer must have a broad understanding of each of them. The four contracts are the contract of carriage ...