3-乙氧基羰基-1-苯基戊烷-1,4-二酮

1-phenyl-2-pentyne-1,4-diol

1-phenylpenta-4-yn-1-one

trans-1-phenyl-2-pentene-1,4-dione

2,3-dihydro-2-methoxy-5-methyl-2-phenylfuran