D-[1,2-13C2]mannitol
[2'-13C]uridine
[1',2',3',4',5'-13C5]adenosine
N-[1,2-13C2]acetyl-D-[UL-13C6]glucosamine
D-[3-13C]fructose
3-deoxy-3-fluoro-D-glucitol
N-acetyl-D-[2-13C]mannosamine
D-[1-13C]mannose
DL-[1-2H]glyceraldehyde
DL-[1,2,3-13C3]glyceraldehyde
N-acetyl-D-[15N]mannosamine
[5'-13C]adenosine
[5'-13C]2'-deoxyadenosine monohydrate
D-[UL-13C5]lyxose
DL-[1-13C]apiose
[1',2',3',4',5'-13C5;1,3-15N2]thymidine
N-acetyl-D-[6,6'-2H2]glucosamine
L-[1-13C]glucitol
[1'-2H]2'-deoxyguanosine monohydrate
tri-O-acetyl-D-[6-13C]glucal