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[2H3]-Levetiracetam
[2H3]-Levetiracetam
[2H5]-Oxybutynin hydrochloride
[2H3]-3,4-Dihydroxyphenylacetic acid
[15N]-Taurocholic acid
[13C6]-Valatinib
[2H10]-Oxybutynin hydrochloride
[13C,2H3]-Tadalafil
[13C]-Taurocholic acid
[1,2-13C2]-2-Carboxy-1-methyl-ethylmercapturic acid
[2H7]-GS-7171
[2H5]-Vardenafil hydrochloride
[1,2-13C2]-4-Aminobutyric acid