ASPIRIN (ACETYL-1-13C, 99%)…

3-CHLORO-L-TYROSINE (RING-13C6, 99%) 95%+ PURE…

3-NITRO-L-TYROSINE (RING-13C6, 99%) 94%+ PURE…

KETOCONAZOLE (CARBONYL-13C, 99%)…

TEMOZOLOMIDE (METHYL-13C, 99%)…

D-ARABINOSE (1-13C, 99%)…

L-TRYPTOPHAN (INDOLE-3-13C, 95-99%)…

L-TRYPTOPHAN (INDOLE-4-13C, 99%) 95%+ PURE…

2-DEOXYRIBOSE (1-13C, 99%)…

VITAMIN A ACETATE (8,9,10,11,12,13,14,15,19,20-13C1…