Cyclopentadienyl, dioxy-

CAS:88983-85-1

Formula:C5H4O2

2(3H)-Furanone, 3-methylene-

CAS:190071-45-5

Formula:C5H4O2

3-oxatricyclo[3.1.0.0~2,6~]hexan-4-one

CAS:19192-82-6

Formula:C5H4O2

2-Propynoic acid, ethenyl ester

CAS:19479-92-6

Formula:C5H4O2

1-Cyclopentene-3,4-dione

CAS:28750-51-8

Formula:C5H4O2

2,4-Cyclopentadien-1-one, 2-hydroxy-

CAS:64487-55-4

Formula:C5H4O2

2-Penten-4-ynoic acid

CAS:65367-64-8

Formula:C5H4O2

Furancarboxaldehyde

CAS:39276-09-0

Formula:C5H4O2

2,4-Pentadienal, 5-oxo-

CAS:39763-18-3

Formula:C5H4O2

2-Propynal, 3-oxiranyl-

CAS:66595-69-5

Formula:C5H4O2