2-pentenoic acid, 5-hydroxy-3-methyl-, methyl ester, (2Z)- InChI=1/C7H12O3/c1-6(3-4-8)5-7(9)10-2/h5,8H,3-4H2,1-2H3/b6-5 methyl (2Z)-5-hydroxy-3-methylpent-2-enoate