684772 -OEChem-02060822462D 8 7 0 0 0 0 0 0 0999 V2000 5.0000 6.2458 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 5.7042 5.0000 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 6.4125 6.2458 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 5.7042 5.8292 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.1208 5.8292 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 6.4125 7.0792 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.8292 6.2458 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 7.1208 7.4958 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 0 0 0 0 2 4 1 0 0 0 0 3 4 1 0 0 0 0 3 5 2 0 0 0 0 3 6 1 0 0 0 0 5 7 1 0 0 0 0 6 8 1 0 0 0 0 M END > 0 > 0 > 684772 > 3 > ChemIDplus > 004411998 > 2-Ethyl-2-butenoic acid 4411-99-8 EINECS 224-568-6 > 4411-99-8 > 004411998 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=004411998 > 5462799 1 $$$$