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The Development of Novel Antibiotics Using ... - Jacobs University

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Intens.<br />

6<br />

x10<br />

0.8<br />

0.6<br />

0.4<br />

240.9<br />

459.1<br />

0.2<br />

0.0<br />

500 1000 1500 2000 2500 m/z<br />

Figure 3. ESI-MS spectrum for dicarbohydrazide (2), from H 2 O.<br />

Intens.<br />

5<br />

x10<br />

5<br />

240.8<br />

4<br />

3<br />

459.0<br />

2<br />

1<br />

0<br />

500 1000 1500 2000 2500<br />

m/z<br />

Figure 4. Tandem ESI-MS 2 spectrum for dicarbohydrazide (2), from H 2 O.<br />

Figure 5. 1 H-NMR spectrum for dicarbohydrazide (4), DMSO-d 6 , 400 MHz.<br />

S3

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