1-Iodoprop-1-yn-3-yl N-n-butylcarbamate [carbamate-14C]

1-Methyl indole [methyl-14C]

1-Methyl-2-thiourea [2-14C]

1-Methylxanthine [14C]

Monoolein [1-14C]

1-Myristoyl [1-14C] 2-hydroxy-sn-glycero-3-phosphocholine

1-Naphthylacetic acid [carboxyl-14C]

1-O-Palmitoyl [1-14C] rac glycerol

1-O-Palmitoyl-rac-glycerol [14C(U)]

1-O-Palmityl [1-14C] rac glycerol

1-Octanethiol [1-14C]

1-Oleoyl [1-14C] 2-arachidonyl glycerol

1-Stearoyl [1-14C] 2-arachidonoyl glycerol

1-Vinyl-2-pyrrolidone [5-14C]

11-Deoxycortisol [4-14C]

12S-hydroxy-5Z,8Z,10E,14Z,17Z eicosapentaenoic acid [1-14C]

13(S)-Hydroxyoctadeca-9Z,11E-Eicosadienoic acid [1-14C]

13(S)-Hydroperoxyoctadeca-9Z,11E-dienoic acid [1-14C]

15S-Hydroxy-11Z,13E eicosadienoic acid [1-14C]

15S-Hydroperoxy-5Z,8Z,11Z,13E,17Z eicosapentaenoic acid [1-14C]