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document.write(' 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, N,N-二甲基丙烯基脲/10g/CAS:7226-23-5 ');
document.write('¥59.4 | ');
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document.write(' 1,2:5,6-Bis-O-(1-methylethylidene)-D-mannitol, 双丙酮-D-甘露糖醇/100g/CAS:1707-77-3 ');
document.write('¥650 | ');
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document.write(' Pyridine sulfur trioxide,三氧化硫吡啶/100g/CAS:26412-87-3 ');
document.write('¥210 | ');
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