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1,3-Cyclopentanedione, 1,3-环戊二酮/10g/CAS:3859-41-4'); document.write('¥600
L-Aspartic acid diethyl ester hydrochloride, L-天门冬酸二乙酯盐酸盐/500g/CAS:16115-68-7'); document.write('¥250