| 4-((5-((4-nitrophenyl)methyl)-4-propyl-2-thiazolyl)thio)-butanoic aci ethyl |
| ethyl 4-((4-propyl-5-(4-nitrobenzyl)thiazol-2-yl)thio)butyrate |
| ethyl 4-((5-((4-nitrophenyl)methyl)-4-propyl-2-thiazolyl)thio)butanoate |
| 4-((5-((4-nitrophenyl)methyl)-4-propyl-2-thiazolyl)thio)-butanoic aci ethyl ester |
