1,1,5-trimethylfuro[3,4-c]pyridine-3,4-dione

2-甲基-1,2-苯并噻唑-3-酮

N-methyl-1-phenylmethanimine

1-methyl-3-(4-methylphenyl)thiourea

N-甲基-4-硝基苯甲酰胺