3-Pentynoic acid, 2-oxo-

CAS:191847-22-0

Formula:C5H4O3

1/C5H4O3/c6-5(7)4-2-1-3-8-4/h1-3H,(H,6,7

CAS:20051-73-4

Formula:C5H4O3

1/C5H4O3/c1-3-2-4(6)8-5(3)7/h1-2H

CAS:25300-97-4

Formula:C5H4O3

2-Furancarboxylic acid

CAS:26447-28-9

Formula:C5H4O3

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione

CAS:29769-75-3

Formula:C5H4O3

2H-Pyran-2,4(3H)-dione(9CI)

CAS:31470-16-3

Formula:C5H4O3

2,4-Dioxabicyclo[3.2.0]hept-6-en-3-one

CAS:33186-71-9

Formula:C5H4O3

1,2,3-Cyclopentanetrione

CAS:3613-64-7

Formula:C5H4O3

1,3-Dioxol-2-one, 4-ethenyl-

CAS:866552-04-7

Formula:C5H4O3

3-Furoic acid

CAS:488-93-7

Formula:C5H4O3