2-INDOLINONE, 3-(PROPYLIMINO)- 26000-55-5 2H-Indol-2-one, 1,3-dihydro-3-(propylimino)- 3-(Propylimino)-2-indolinone 5-21-10-00222 (Beilstein Handbook Reference) BRN 1568866 Isatin-n-propylimin [German]