4-羟基异苯并呋喃-1(3h)-酮

4-氨基苯乙酸

N-[(1,3-dioxoisoindol-2-yl)methyl]acetamide

2-methoxy-3-methylbenzene-1,4-diol

2,4-dihydro-1H-cyclopenta[b]indol-3-one