2,2-diisopropyl-malonamic acid methyl ester

methyl (Z)-3-methyl-5-[(2-tetrahydropyranyl)oxy]pent-2-enoate

N-methoxy-N,N'-diphenyl-urea

trans-methyl-4-(4-bromophenyl)-4-oxobut-2-enoate

2-ethoxycarbonylmethylene-4-methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline