![L-[UL-13C5]xylose](http://www.ybiotech.net/content/xtheme/yubo/images/noimage.jpg)
L-[UL-13C5]xylose
D-[2-13C]ribose
DL-[2-13C]glyceraldehyde
DL-[1-13C]glyceraldehyde
[3'-13C]uridine
[2'-13C]cytidine
D-[4,5-13C2]arabinitol
D-[1,6-13C2]glucose
L-[1-13C]lyxose
L-[3-13C]rhamnose monohydrate
[3'-13C]thymidine
[3-13C]ribitol
D-[4,5-2H2]glucitol
D-[UL-2H8]mannitol
D-[4-2H]glucitol
L-[1,3-13C2]ascorbic acid
[5'-13C]uridine
N-acetyl-D-[1-13C]galactosamine
D-[4-2H]mannose
alpha,beta-[1,1'-2H2]trehalose
