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yusen_1982(½ð±Ò+1):»¶Ó­ÌÖÂÛ£¡ 2010-11-27 10:19:32
H NMR TO SEE the chemical shift of hydrogen influenced by carbon and decide waht kinds of carbonsºÍC NM see the type of carbon.

ÔÚÄÄÀïÄܲ鵽µ¥ÌǵÄNMRµÄ»¯Ñ§Î»ÒÆÄØ£¿-----USE PURE SUGAR TO do one H NMR and one C NMR, all the problems are resolved.
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