1H-ISOINDOLE-1,3(2H)-DIONE, 3a,4,7,7a-TETRAHYDRO-2-(2-PROPYNYL)- 3a,4,7,7a-Tetrahydro-2-(2-propynyl)-1H-isoindole-1,3(2H)-dione 5-21-10-00131 (Beilstein Handbook Reference) 54399-03-0 BRN 1455769 N-Propargilo imid kwasu 1,2,3,6-tetrahydroftalowego [Polish]