ethyl (E,4Z)-4-[1-[bis(methylsulfanyl)methylideneamino]pyridin-2-ylidene]-2-cyanobut-2-enoate

4,5-二氢-4-氧代-3H-吡咯并[3,2-d]嘧啶-7-羧酸甲酯

ethyl 1-[(Z)-2-cyano-3-ethoxy-3-oxoprop-1-enyl]-2-ethylsulfanylindolizine-3-carboxylate

5H-Cyclopenta[b]pyridine-3-carboxylicacid,2-amino-6,7-dihydro-,ethylester(9CI)

2-氨基-5-甲基吡啶-3-羧酸乙酯