Species with data from:

Holmes, J.L.; Terlouw, J.K.; Vijfhuizen, P.C.; A'Campo, C., Metastable ion studies XII-Molecular and fragment ion structures for isomeric C₄H₆O₂ acids, Org. Mass Spectrom., 1979, 14, 204.

14 matching species were found.

For each matching species the following will be displayed:

• Chemical name
• Chemical formula
• Structure image (if available)

Click on the name to see more data.

1. 2-Cyclohexen-1-one (C₆H₈O)
   
2. 2-Propenoic acid, 2-methyl- (C₄H₆O₂)
   
3. 2-Butenoic acid, 3-methyl- (C₅H₈O₂)
   
4. 2-Butenoic acid, (E)- (C₄H₆O₂)
   
5. Cyclopropanecarboxylic acid (C₄H₆O₂)
   
6. Cyclobutylcarboxylic acid (C₅H₈O₂)
   
7. 2-Butenoic acid, 2-methyl- (C₅H₈O₂)
   
8. 2-Ethylpropenoic acid (C₅H₈O₂)
   
9. 3-Butenoic acid (C₄H₆O₂)
   
10. Isocrotonic acid (C₄H₆O₂)
    
11. 2-Pentenoic acid (C₅H₈O₂)
    
12. (E)-pent-3-en-1-oic acid (C₅H₈O₂)
    
13. 2-Cyclopropen-1-one, 2-methyl- (C₄H₄O)
    
14. 3-Methyl-3-butenoic acid (C₅H₈O₂)
    

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