1660137-09-6 Niobium(V) oxalate hydrate 草酸铌(V)水合物
BJS08904391660137-09-698%
¥1130.00100g
13779-92-5 Niobium(V) iodide 碘化铌(V)
BJS659225913779-92-597%
¥3457.005g
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