3-Methylbut-2-enoic acid-d 6
2-Methylbenzaldehyde- 13 C
Formic acid ammonium
Trimethylammonium chloride- 13 C 3 ,d 9
Benzophenone- 13 C
Trimethylammonium chloride- 15 N
Itaconic acid- 13 C 5
Pyruvic acid- 13 C
Pyruvic acid- 13 C sodium
Guanine- 13 C
Guanine- 13 C, 15 N 2
Hydrocinnamic acid-2,3- 13 C 2
D-Lysine
D-Gluconic acid (solution)
D-Gluconic acid calcium hydrate
Pyruvic acid- 13 C-2 sodium
Pyruvic acid- 13 C,d 4
Formamide- 13 C, 15 N
Formamide- 15 N
(±)-1,2-Propanediol