https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C11H12N4O4/c1-7(2)8(3)12-13-10-5-4-9(14(16)17)6-11(10)15(18)19/h4-6%2C13H%2C1H2%2C2-3H3
2,4-dinitrophenylhydrazone 3-methyl-3-buten-2-one
methylbutenone
https://webbook.nist.gov/cgi/cbook.cgi?ID=C4938743
3-Penten-2-one, 2,4-dinitrophenylhydrazone
one