Cas No.:25739-41-7 Velutin(Standard Reference Material)

Cas No.:483-34-1 Tetrahydrocolumbamine(Standard Reference Material)

Cas No.:139726-36-6 Tenuifoliside B(Standard Reference Material)

Cas No.:241125-76-8 Sibiricaxanthone A(Standard Reference Material)

Cas No.:176520-13-1 Scutebarbatine A(Standard Reference Material)

Cas No.:102681-52-7 Schisanhenol B(Standard Reference Material)

Cas No.:943239-45-0 Schindilactone A(Standard Reference Material)

Cas No.:36150-06-8 Saxalin(Standard Reference Material)

Cas No.:623928-18-7 sargentol(Standard Reference Material)