(E)-4-(3-Hydroxy-3-methyl-1-butenyl)-9-methoxy-7H-furo(3, 2-g)(1)benzopyran-7-one

(E)-4-(3-Methylphenyl)-but-3-en-2-one

(E)-4-(4-Bromophenyl)-but-3-en-2-one

(E)-4-(5-Thiophen-2-ylthiophen-2-yl)but-3-enyl acetate

(E)-4-Ethylhex-2-enoic acid

(E)-4-Methoxy-3-buten-2-one

(E)-4-Methoxy-6-(propen-1-yl)-1, 3-benzodioxole

(E)-4-Phenylazophenol

(E)-4-Tert-butoxy-4-oxo-2-buteneperoxoic acidmethyl ester

(E)-4-Undecenal

(E)-5((4-Chlorophenyl)methylene)-2, 2-dimethylcyclopentanone

(E)-5-(2-(Methylthio)vinyl)-6-aza-2'-deoxyuridine

(E)-5-(2-Bromo-2-fluorovinyl)-6-aza-2'-deoxy-uridine

(E)-5-(2-Bromoethenyl)tubercidin

(E)-5-(2-Bromovinyl)-1-(2-deoxy-beta-D-erythro-pentofuranosyl)-4-(1, 2, 4-triazol-1-yl)pyrimidine-2(1H)-one

(E)-5-(2-Bromovinyl)-2'-deoxy-4'-thiouridine

(E)-5-(2-Bromovinyl)-6-aza-2'-deoxyuridine

(E)-5-(2-Carbomethoxyvinyl)-6-aza-2'-deoxyuridine

(E)-5-(2-Carboxyvinyl)-6-aza-2'-deoxyuridine

(E)-5-(2-Chlorovinyl)-6-aza-2'-deoxyuridine