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Description
Hydroquinone (HQ) administration in mice leads to the excretion in bile of four different GSH S-conjugates and one cysteinyl-adduct (2-(cysteinylglycyl)HQ), while the N-acetyl-cysteinyl-adduct, 2-(N-Acetylcystein-S-yl)HQ, is the only thioether adduct identified in urine [84]

Academic Press: Cambridge, UK, 1997 pp 209210

Interferon regulatory factor 4 regulates obesity-induced inflammation through regulation of adipose tissue macrophage polarization

An injection delivers it directly, avoiding the need for absorbtion from the stomach (see Pernicious anaemia) no guesswork, no barriers
