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1,3-Dimethylurea, 1,3-二甲基脲/500g/CAS:96-31-1'); document.write('¥230
Potassium benzoate, 苯甲酸钾/100g/CAS:582-25-2'); document.write('¥360
Diethyl oxalate, 草酸二乙酯/500mL/CAS:95-92-1'); document.write('¥195