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. Author manuscript; available in PMC: 2016 Apr 24.
Published in final edited form as: J Nat Prod. 2015 Feb 25;78(4):658–665. doi: 10.1021/np5008203

Figure 4.

Figure 4

Characteristic resonances corresponding to the four building blocks that form the 1H fingerprint of dulcoside A (5). The experimental 1H NMR spectrum in DMSO-d6 (33 mM, 600 MHz, 298 K) is shown in black. Arrows denote key HMBC correlations to establish connectivities between the four building blocks.