2-乙酰基噻吩

3-(2-噻吩基羰基)苯基乙酸酯

2-乙基-3-乙酰基苯并呋喃

(3-acetoxy-phenyl)-(2-ethyl-benzofuran-3-yl)-ketone

(4-carbonochloridoylphenyl) acetate