如果企业客服不在线，也可拨打400电话联系。或者发布求购信息
左乙拉西坦杂质71 1867585-44-1 C8H17N3O2
左乙拉西坦杂质73 1933471-30-7 C8H14N2O3
左乙拉西坦杂质74 31167-90-5 C4H5ClO2
左乙拉西坦-d6 1133229-30-7 C8H8D6N2O2
唑螨酯杂质12 365400-11-9 C14H13F3N2O4S
佐米曲普坦杂质42 187975-62-8 C10H13N3O2
佐米曲普坦杂质44 (佐米曲普坦EP杂质H) 2518343-21-8 C16H19N3O2
青霉素杂质3 单体（青霉素EP杂质C）(普鲁卡因青霉素EP杂质F) 525-91-7 C16H18N2O5S
青霉素杂质54 41372-02-5 2(C16H18N2O4S) • C16H20N2 • 4H2O
青霉素杂质56 54-35-3 C16H18N2O4S • C13H20N2O2
