alpha-(2-methylbut-1-yn-3-en-1-yl)-2-thiopheneglycolic aci 1-methyl-4-piper |
idyl ester |
1-methyl-4-piperidyl-2-thienyl(3-methyl-but-1-yn-3-enyl)glycolate |
alpha-(2-methylbut-1-yn-3-en-1-yl)-2-thiopheneglycolic acid 1-methyl-4-piperi |
dyl ester |
2-hydroxy-5-methyl-5-(2-thienyl)-hexa-3-yn-5-enoic aci 1-methyl-4-piperid |
alpha-(2-methylbut-1-yn-3-en-1-yl)-2-thiopheneglycolic aci 1-methyl-4-piperidyl ester |