https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C8H12O/c1-5-4-8(9)7(3)6(5)2/h4%2C6-7H%2C1-3H3
2-Cyclopenten-1-one, 3,4,5-trimethyl-
one
https://pure.psu.edu/en/publications/2-methyl-2-cyclopenten-1-one-from-2-methylcyclopentane-13-dione/
2-Methyl-2-cyclopenten-1-one from 2-methylcyclopentane-1,3-dione - Penn State
methylone
https://pubchem.ncbi.nlm.nih.gov/compound/4-Penten-2-one_-3_3-dimethyl-5-_2_2_3-trimethyl-3-cyclopenten-1-yl_
4-Penten-2-one, 3,3-dimethyl-5-(2,2,3-trimethyl-3-cyclopenten-1-yl)- - PubChem
4-Penten-2-one, 3,3-dimethyl-5-(2,2,3-trimethyl-3-cyclopenten-1-yl)- chemical information summary.
https://webbook.nist.gov/cgi/cbook.cgi?InChI=1/C6H8O/c1-5-2-3-6(7)4-5/h4H,2-3H2,1H3
2-Cyclopenten-1-one, 3-methyl-
onemethyl
https://webbook.nist.gov/cgi/inchi?ID=C936527&Units=CAL
N-(1-Cyclopenten-1-yl)-morpholine
nyl