铥标准溶液
(7440-30-4)
异烟酸乙酯
(1570-45-2)
¥ 130.00
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BOC-甘氨酸-15N
(106665-75-2)
¥ 0.00
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柠嗪酸
(99-11-6)
¥ 200.00