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. 2017 Sep 12;7:11357. doi: 10.1038/s41598-017-11166-4

Figure 1.

Figure 1

Structures of naturally occurring 5,7-diamino-3,5,7,9-tetradeoxynon-2-ulosonic acids. (A) Structures of 5,7-diamino-3,5,7,9-tetradeoxynon-2-ulosonic acids discovered prior to 2017 synthesised via pathways that do not involve lga biosynthesis genes. (B) Structures of 5,7-diamino-3,5,7,9-tetradeoxynon-2-ulosonic acids discovered prior to 2017 requiring lga biosynthesis genes. (C) Structure of 8-epiacinetaminic acid (this study).