4-({[(4-Ethyl-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetyl}amino)butanoate

4-({2-[(4-Éthyl-8,8-diméthyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromén-5-yl)oxy]acétyl}amino)butanoate

4-({[(4-Ethyl-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetyl}amino)butanoat

4-({[(4-Ethyl-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetyl}amino)butanoate

Butanoic acid, 4-[[2-[(4-ethyl-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b′]dipyran-5-yl)oxy]acetyl]amino]-, ion(1-)