ChemDraw on Twitter: "@dr_dbw You just need one triple bond, on the C-N of an amid bond that is not N-methylated. Try like below on screenshot, it should work, you have two
![Chemdraw ultra: Molecular modelling, structure drawing, Semi-empirical calculations, structure display, MOPAC, solvation energy, MM2 Chemdraw ultra: Molecular modelling, structure drawing, Semi-empirical calculations, structure display, MOPAC, solvation energy, MM2](http://www.chemistry-software.com/images/modelling/hyperchem/bonds_large.jpg)
Chemdraw ultra: Molecular modelling, structure drawing, Semi-empirical calculations, structure display, MOPAC, solvation energy, MM2
![Inhibitor structures and IC50 curves.(a) A ChemDraw representation of... | Download Scientific Diagram Inhibitor structures and IC50 curves.(a) A ChemDraw representation of... | Download Scientific Diagram](https://www.researchgate.net/publication/255176706/figure/fig1/AS:271420131377182@1441723010671/Inhibitor-structures-and-IC50-curvesa-A-ChemDraw-representation-of-CoA-shown-along.png)
Inhibitor structures and IC50 curves.(a) A ChemDraw representation of... | Download Scientific Diagram
![ChemDraw on Twitter: "@chemlynx One minute for both is doable, copy/paste as peptide sequence, and as SMILES for sulfo-Cy5 http://t.co/DfmyTXbQup" / Twitter ChemDraw on Twitter: "@chemlynx One minute for both is doable, copy/paste as peptide sequence, and as SMILES for sulfo-Cy5 http://t.co/DfmyTXbQup" / Twitter](https://pbs.twimg.com/media/CKCc4BbWEAAlPD_.png:large)
ChemDraw on Twitter: "@chemlynx One minute for both is doable, copy/paste as peptide sequence, and as SMILES for sulfo-Cy5 http://t.co/DfmyTXbQup" / Twitter
![X-ray structure (left) and Chemdraw representation (right) of D-Sip-NCA. | Download Scientific Diagram X-ray structure (left) and Chemdraw representation (right) of D-Sip-NCA. | Download Scientific Diagram](https://www.researchgate.net/profile/Florine-Cavelier/publication/306244909/figure/fig3/AS:471482871619588@1489421684693/X-ray-structure-left-and-Chemdraw-representation-right-of-D-Sip-NCA_Q320.jpg)
X-ray structure (left) and Chemdraw representation (right) of D-Sip-NCA. | Download Scientific Diagram
![Shown are chemdraw structure models of the peptide versions 15-0, 15-5,... | Download Scientific Diagram Shown are chemdraw structure models of the peptide versions 15-0, 15-5,... | Download Scientific Diagram](https://www.researchgate.net/publication/232766835/figure/fig6/AS:203016276844546@1425414260111/Shown-are-chemdraw-structure-models-of-the-peptide-versions-15-0-15-5-15-6-and-15-7.png)
Shown are chemdraw structure models of the peptide versions 15-0, 15-5,... | Download Scientific Diagram
![Importance of structure-based studies for the design of a novel HIV-1 inhibitor peptide | Scientific Reports Importance of structure-based studies for the design of a novel HIV-1 inhibitor peptide | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-020-71404-0/MediaObjects/41598_2020_71404_Fig1_HTML.png)