Harnstoff-13C,15N2 98 atom % 15N, 99 atom % 13C
![Harnstoff-13C,15N2 98 atom % 15N, 99 atom % 13C](https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/structures/278/253/a320dc44-ab4b-44f8-b119-6f8b4ba85d8b/640/a320dc44-ab4b-44f8-b119-6f8b4ba85d8b.png)
![](https://file.ambeed.com/static/upload/proimg/1127/1217455-27-0.png)
Stable Isotopes
![](https://patentimages.storage.googleapis.com/16/91/00/dd3a37ee9d3a4e/A20048004129000512.png)
CN1914204A - Naphthyridine derivatives and their use as modulators of muscarinic receptors - Google Patents
![](https://ars.els-cdn.com/content/image/1-s2.0-S2667109322004596-fx1.jpg)
Recent advances and challenges of electrochemical ammonia synthesis - ScienceDirect
![](https://www.sigmaaldrich.cn/deepweb/assets/sigmaaldrich/product/structures/246/190/2384e0f8-dd31-4af5-b5bd-ae6056a62fec/800/2384e0f8-dd31-4af5-b5bd-ae6056a62fec.png)
N-Methylacetamide-15N 15N 98atom , 99 CP 31685-41-3
![](https://pubs.acs.org/cms/10.1021/acs.bioconjchem.6b00148/asset/images/medium/bc-2016-00148s_0003.gif)
Efficient Synthesis of Nicotinamide-1-15N for Ultrafast NMR Hyperpolarization Using Parahydrogen
![](https://www.mdpi.com/agriculture/agriculture-12-01664/article_deploy/html/images/agriculture-12-01664-g001.png)
Agriculture, Free Full-Text
![](https://ars.els-cdn.com/content/image/1-s2.0-S0039914020311309-fx1.jpg)
Quantification of 13C, 15N labelled compounds with 13C, 15N edited 1H Nuclear Magnetic Resonance spectroscopy - ScienceDirect
![](https://openmedscience.com/wp-content/uploads/2017/02/Figure-1-Structures-of-hydantoin-allantoin-and-phenytoin.jpg)
NMR analysis of isotope labelled hydantoins
![](https://pubs.acs.org/cms/10.1021/cg700829r/asset/images/medium/cg-2007-00829r_0007.gif)
The Structure of a Supersaturated Solution: A Neutron Scattering Study of Aqueous Urea