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[13C6]-Ketoprofen
[13C6]-Ketoprofen
[2H6]-Doxepin hydrochloride
[13C6]-Triazolam
[2H3]-Colchicine
[2H3]-Ecgonine methyl ester hydrochloride
[13C, 2H3]-Maprotiline
[2H4]-Norflurazepam
[2H3]-Ecgonine methyl ester hydrochloride
[2H4]-Normaprotiline
[13C6]-Norflurazepam
[2H5]-Ethenzamide
[13C, 2H3]-Nortrimipramine hemifumarate salt