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. 2005 Apr 11;102(16):5727–5732. doi: 10.1073/pnas.0501719102

Table 1. Chemical shifts (ppm) and couplings (Hz).

Compound			Chemical shifts					Couplings
	H₁	H₂	H₄	H₇	H₉	H₁₀	J_1,2	J_2,4	J_7,9	J_9,10
E⁺	8.58	7.48	7.32	6.18	7.29	8.52	9.5	1.75	2.5	9.5
2-OH-E⁺	7.88	—	7.42	6.24	7.48	8.32	—	—	2.4	8.99

The reference was set with DMSO at 2.52 ppm. —, Not applicable.

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