3-(5-methylfuran-2-yl)-2-thioxopropanoic acid

(5E)-5-[(5-甲基-2-呋喃基)亚甲基]-2-硫基-1,3-噻唑-4(5H)-酮

(5-methyl-[2]furyl)-glyoxylic acid

2-(4-戊炔氧基)四氢-2H-吡喃

ethyl 6-hydroxy-2-heptynoate