Epitestosterone glucuronide

T glucuronide, T sulfate, epitestosterone glucuronide, epitestosterone sulfate... 

Buiarelli et al. (2004) extended the above analytical approach to many more related steroids when they published a method for the direct analysis of 15 urinary anabolic steroids in a single run, namely T, epitestosterone, dehydroepiandrosterone (DHEA), androsterone, etiocholanolone, their sulfates and their glucuronides (Figure 2,2), They extracted 2 mL of human urine by solid-phase extraction with methanol elution and reconstituted the residue in aqueous methanol in the presence of deuterated internal standards (da-epitestosterone glucuronide, [16,16,17-"H3 testosterone sulfate and [16,16,17-2H3]testosterone), then monitored, for example, mJz. 289-97 and 109 for T and epitestosterone, miz 367-97 for their sulfates, and m/z 463-113 and 287 for their glucuronides. The method does not achieve quantitation, but it allows the estimation of ratios, which makes it possible to monitor the urinary steroid profile, which is useful for monitoring the abuse of anabolic steroids. 

G. L., and Griboff, S. I. Measurement of Urinary Testosterone and Epitestosterone Glucuronide as a Test of Gonadal Reserve Fert. Steril. 18(5) 659-665 (1967) ... 

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