Table S3.

¹H and ¹³C NMR data for the carbohydrate moiety of product 2 (δ, ppm)

Sugar residue	H-1 C-1	H-2 C-2	H-3 (3ax, 3eq) C-3	H-4 C-4	H-5 C-5	H-6 (6a, 6b) C-6	H-7 C-7	H-8a, 8b C-8
→3)-β-d-GlcpNAc-(1→	4.48	3.78	3.64	3.50	3.43	3.73, 3.90
	102.0	57.0	80.8	69.7	77.2	62.1
→3)-α-l-Rhap-(1→	4.88	4.02	4.07	3.46	4.04	1.23
	101.6	72.5	75.8	71.5	70.2	18.1
β-Kdop-(2→			1.86, 2.45	3.79	3.97	3.63	3.91	3.78, 3.87
	175.5	103.3	36.0	68.7	66.6	74.7	70.4	65.6

Chemical shifts for NAc group are at δ_H 2.03, δ_C 23.5 (CH₃) and 175.0 (CO). ¹H NMR chemical shifts are given in italics.