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2-Nitrobenzenesulfonyl chloride, 2-硝基苯磺酰氯/500g/CAS:1694-92-4'); document.write('¥375
(Methoxymethyl)triphenylphosphonium chloride, 甲氧基甲基三苯基氯化膦/1kg/CAS:4009-98-7'); document.write('¥750