Einecs 270-900-8

methyl 2-oxo-1-(2-pentynyl)cyclopentanecarboxylate

2-Oxo-1-(2-pentynyl)cyclopentanecarboxylic acid methyl ester

Cyclopentanecarboxylic acid, 2-oxo-1-(2-pentynyl)-, methyl ester

Cyclopentanecarboxylic acid, 2-oxo-1-(2-pentyn-1-yl)-, methyl ester