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4-Methoxybenzoic acid-[13c6]

3-Nitroaniline-[13c6]

Paclitaxel-[d5]

Resveratrol-[13c6]

Spermidine-[d8].tcl

Spermine-[d8].4hcl

Cis-urocanic acid-[13c3]

Yohimbine-[13c,d3]

Aldosterone-[2,2,4,6,6,17,21,21-d8]