p-Nitroacetophenone [carbonyl-14C]

N-cyano-N'-(1,1-dimethylpropyl)-N'-3-pyridylguanidine [3H]

[Methyl-3,4-3H]-piperidin-4-yl-phosphinic acid

Palmitic acid [1-14C]

Palmitic acid [14C(U)]

Palmitic acid [16-3H]

Palmitic acid [2-3H]

Palmitic acid [9,10-3H(N)]

Palmitic acid [9,10-3H(N)]

Palmitic anhydride [carbonyl-14C]