tetrahydro-2-[[3-(2-ethynylphenyl)-2-propyn-1-yl]oxy]-2H-furan

tetrahydro-2-[[4-(2-ethynylphenyl)-2-methyl-3-butyn-2-yl]oxy]-2H-furan

4-[tert-butyl(dimethyl)silyl]oxybutanal

4-羟基丁酸肼

马来酸二甲酯