When the structure of this compound was founded, each of the NMR signals observed during the COSY and HSQC (and so the 1H and 13C signals) had been properly assigned on the proposed structure. Skip to primary written content Thanks for checking out mother nature.com. You might be using a https://sethgkmmb.blogsmine.com/27001109/the-fact-about-4b-mar-that-no-one-is-suggesting