[ethyl(phenoxy)phosphoryl]oxybenzene

N-(9-ethoxy-1,2,3-trimethoxy-10-oxo-6,7-dihydro-5H-benzo[a]heptalen-7-yl)acetamide

N-(10-ethoxy-1,2,3-trimethoxy-9-oxo-6,7-dihydro-5H-benzo[a]heptalen-7-yl)acetamide

4,4'-氧基二(苯磺酰胺)

1-(4-ethoxy-3-methoxyphenyl)ethanone