2-[(叠氮乙酰基)氨基]-2-脱氧-D-吡喃半乳糖促销2-[(叠氮乙酰基)氨基]-2-脱氧-D-吡喃半乳糖Y16425 · CAS 869186-83-4≥98%, mixture of α and β isomer¥332.00 / 5mg 起选规格