153346 -OEChem-02060822392D 5 4 0 0 0 0 0 0 0999 V2000 -1.2436 0.1644 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.1582 1.0332 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.3208 0.1644 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.1423 -0.6814 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.2630 -0.6814 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 3 2 0 0 0 0 2 3 1 0 0 0 0 3 4 1 0 0 0 0 4 5 3 0 0 0 0 M END > 0 > 0 > 153346 > 3 > ChemIDplus > 000471250 > 2-Propynoic acid 471-25-0 920-38-7 Acetylenecarboxylic acid Carboxyacetylene EINECS 207-437-8 NSC 16152 PROPIOLIC ACID Propargylic acid Propynoic acid > 471-25-0 920-38-7 > 000471250 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=000471250 > 10110 1 $$$$