dodec-3-en-2-one

diethyl 2-(2-oxopropylidene)propanedioate

(E)-tert-butyl 2-((diphenylmethylene)amino)-4-oxopent-2-enoate

[1,2,5]恶二唑并[3,4-b]喹喔啉

methyl 4-acetyl-3-methoxy-1,5-diphenyl-1H-pyrrole-2-carboxylate