Table 1.

List of ethyl glucoside resonances observed in 600 MHz ¹H and ¹H–¹³C NMR spectra of isolated ethyl glucoside from HPLC-NMR of SPEC acid wash of human urine, with associated chemical shift and multiplicity data (pH 7)

1H shift (δ)	Multiplicityab	Assignment	13C sliift (d)c
1.24	t	CH3	17.1 (CH3)
3.41	dd	H4	72.5 (C-4)
3.55	dd	H2	66.9 (C-2)
3.57	q	H(CH2)	66.8 (CH2)
3.69	m	H5	74.7 (C-5)
3.71	dd	H3	76.1 (C-3)
3.77	dd	H6’
3.80	q	H’(CH2)
3.86	dd	H6	63.6 (C-6)
4.93	d	H1	100.7 (C-l)

^ad = doublet; t = triplet; q = quartet; m = multiplet; dd = doublet of doublets.

^bSome of these assignments were based on ¹H–¹H COSY and TOCSY NMR.

^cAssignments were based on ¹H–¹³C HMBC spectrum.