1-吗啉-1,2-丙二酮

2,4,7-trimethylquinolin-8-amine

4-[3-(4-oxopentan-2-ylideneamino)phenyl]iminopentan-2-one

(5,7-二甲基-[1,2,4]噻唑并[1,5-a]嘧啶-2-基)甲醇

6,8-dioxononanoic acid