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ÎÒ×î½üÔÚ×öÖÊÆ×£¬ÐèÒªÑÜÉú»¯ ÎÄÏ×ÖÐÕâÑùдµÄ£º 4-dimethylaminopyridine (DAP), 2-methyl-6-nitrobenzoic anhydride (MNBAn), picolinic acid (PA), triethylamine (TEA), anhydrous tetrahydrofuran (THF), To prepare 1mL of picolinic acid derivatization reagent, DAP (20mg) and PA (50mg) were first dissolved in anhydrous THF (1mL). Next, MNBAn (40mg) was added to the solution and dissolved with gentle shaking for derivatization ÎÒÕâÑù×öÁËÖ®ºó£¬³öÏÖ°×É«³Áµí£¬×îÖյò»µ½ÈÜÒº ËùÓÃËÄÇâ߻૱£Ö¤ÎÞË®ÁË ËÖªµÀÕâÊÇÔõô»ØÊÂÂ𣿠|
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