二苯基膦乙酸乙酯

ethyl 2-fluorobut-2-enoate

N-(2-ethylphenyl)-2,3-dihydro-1,4-benzodioxine-3-carboxamide

2-氟-3-氧-丁酸-1,4-二乙酯

1,2-bis(4-chlorophenyl)ethanone