| methyl 3-(4-chlorophenyl)propiolate |
| 3-(4-chlorophenyl)propiolic acid methyl ester |
| methyl (4-chlorophenyl)propargylate |
| (4-chlorophenyl)propargylic acid methyl ester |
| methyl 3-(4-chlorophenyl)-2-propynoate |
| 3-(4-chlorophenyl)-2-propynoic acid methyl ester |
