1H-Isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-2-(4-ethoxyphenyl)- 3a,4,7,7a-Tetrahydro-2-(4-ethoxyphenyl)-1H-isoindole-1,3(2H)-dione 55680-87-0 N-(4-Etoksyfenylo)imid kwasu 1,2,3,6-tetrahydroftalowego [Polish]