B802712-5ml | Standard for GC，≥99.7%(GC)

B802713-500ml | ≥99.5% (GC)

B802713-2.5L | ≥99.5% (GC)

B802715-500ml | ≥99%(GC)

B802715-2.5L | ≥99%(GC)

Y79538-1g | ≥95%

V28298-100mg | 95%

T26426-1g | ≥95%

Y63782-1g | 95%

R220444-1g | 94% (GC)