[13C4]-Allopurinol
[13C4]-Allopurinol
[13C,2H2]-Entecavir
[2H6]-Sulindac
[2H3]-D,L-Normetanephrine hydrochloride
[13C6]-Tazarotene acid
[13C,15N2]-Gemcitabine hydrochloride
[2H5]-Norlidocaine
[2H7]-Permethrin
[13C,2H3]-Carboxyprimaquine
[2H3, 15N]-Cycloserine
[2H6]-Nilutamide
[13C6]-Selumetinib