2-丁基-3-(4-羟基苯甲酰基)-5-硝基苯并呋喃

2-丁基-3-(4-甲氧基苯甲酰基)-5-硝基苯并呋喃

5-butyl-3H-furan-2-one

N-methylhexanamide

1-(triphenyl-λ⁵-phosphanylidene)heptan-2-one