N-Acetyl-2-chloro-2-deoxyneuraminic acid methyl ester 4,7,8,9-tetraacetate 90% 67670-69-3 C₂₀H₂₈ClNO₁₂ 509.89 g./mol ฿12,006.00 View
β-Lactose Contains 70% beta-lactose and 30% alpha-lactose 5965-66-2 C₁₂H₂₂O₁₁ 342.3 g./mol ฿290.00 View
