(2E,4Z)-5-ethyl 1-methyl 4-(1-aminoethylidene)pent-2-enedioate

2-甲基-6-氧代-1,4,5,6-四氢吡啶-3-羧酸乙酯

(E)-4-[1-amino-eth-(Z)-ylidene]-pent-2-enedioic acid diethyl ester

乙醇钠

(Z)-5-(2-carbamoylvinyl)-1,3,6-trimethyluracil