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Table 4 Approximate natural abundance of selected ribose isotopologs carrying 13C.

From: Studies of the intermediary metabolism in cultured cells of the insect Spodoptera frugiperda using 13C- or 15N-labelled tracers

Isotopolog Abundance [mol%]
[1-13C1] 1.1
[2-13C1] 1.1
[3-13C1] 1.1
[1,2-13C2] 0.012
[4,5-13C2] 0.012
[1,2,3-13C3] 0.00013
[3,4,5-13C3] 0.00013
[U-13C5] 0.000000018