https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C7H16N2/c1-5-9(6-2)8-7(3)4/h5-6H2%2C1-4H3
2-Propanone, diethylhydrazone
https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C6H14N2/c1-4-7-8(5-2)6-3/h4H%2C5-6H2%2C1-3H3
Acetaldehyde, diethylhydrazone
acetaldehyde