Antioxidants

An internal standard for the quantification of gliclazide

A xanthone polyketide with immunosuppressant activity

A furan fatty acid

A metabolite of estrone

Arbutin-d4 is deuterium labeled Arbutin. Arbutin (β-Arbutin) is a competitive inhibitor of tyrosinase in melanocytes, with Kiapp values of 1.42 mM for monophenolase; 0.9 mM for diphenolase. Arbutin is also used as depigmenting agents. Arbutin is a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses with anti-oxidant, anti-inflammatory and anti-tumor properties.

An internal standard for the quantification of methazolamide

SIH (Salinazid) is a lipophilic tridentate iron chelator with anti-tuberculosis activity.

Homocarnosine is a dipeptide of γ-aminobutyric acid (GABA) and histidine unique to brain.

A phytochemical with diverse biological activities

A lichen metabolite with diverse biological activities

A disulfide with diverse biological activities

An internal standard for the quantification of tiopronin

Safflower red is an active substance extracted from the flowers of the safflower plant ( Carthamus tinctorius ).

A sesquiterpene with diverse biological activities

A xanthone with diverse biological activities

An active metabolite of estrone

Loliolide is a monoterpene lactone with diverse biological activities.

An internal standard for the quantification of indapamide

An internal standard for the quantification of mitoquinol

A chlorogenic acid with antioxidant activity

A phytoecdysteroid with diverse biological activities

An active metabolite of melatonin

An internal standard for the quantification of fisetin