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Selective reaction monitoring ion chromatograms for [13C3]-3α-androstanediol, and [13C3]-3β-androstanediol picolinates obtained from enzymatic reactions. ~30 pg of synthesized [13C3]-3α-androstanediol and [13C3]-3β-androstanediol picolinates were injected onto column for analysis, respectively. The top panel shows the absence of the [13C3]-DHT starting material.
