17-bromo-o-méthylvincamineLEWIN

2-(2',4',6'-trichlorophenoxy)-4,4-dimethoxy-6-chlorocyclohexadien-2,5-one

5-methoxy-1,3-dimethyl-5,7-dihydro-3H-purine-2,6,8-trione

2-bromo-3-methylbutyraldehyde dimethyl acetal

methyl 2-methyl-2-thiocyanatopropanoate