6.9
[]. Hoshika S, et al. Hachimoji DNA and RNA: A genetic system with eight building blocks. Science. 29 Feb 22;363(629):88-887.
[2]. Kistenmacher, T. J.; Rossi, M. (977-2-5). "-Methylcytosine: a refinement". Acta Crystallographica (977) Section B. 33 (2): 3962–3965.
H32-H35-H39-H335
P26-P26-P27-P27-P28-P32+P352-P3+P3-P35+P35+P338-P33-P362+P36-P3+P233-P5-P5
GHS7
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