3,4,5-trimethyl-2-propanoylpyrrole

4,5,6-三甲基嘧啶-2-胺

(2-amino-5-bromophenyl)-(2,4-dichlorophenyl)methanone

3,4,5,6-tetramethyloctane

4-methoxy-5,6-dimethylpyran-2-one