212443 -OEChem-02060822402D 7 7 0 0 0 0 0 0 0999 V2000 4.3401 -3.5330 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 7.2416 -3.4827 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 5.1283 -3.7809 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.4698 -3.7554 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.7878 -3.2766 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.4010 -4.5527 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.2161 -4.5446 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 0 0 0 0 2 4 2 0 0 0 0 3 5 1 0 0 0 0 3 6 1 0 0 0 0 4 5 1 0 0 0 0 4 7 1 0 0 0 0 6 7 2 0 0 0 0 M END > 0 > 0 > 212443 > 3 > ChemIDplus > 000930609 > 4-Cyclopentene-1,3-dione 930-60-9 Cyclopent-4-ene-1,3-dione EINECS 213-219-3 NSC 155336 > 930-60-9 > 000930609 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=000930609 > 70258 1 $$$$