1-Ethyl-1,3-dihydro-2H-indol-2-one 1-Ethyl-2-indolinone 1-Ethyloxindole 2-Indolinone, 1-ethyl- 2H-Indol-2-one, 1-ethyl-1,3-dihydro- 61-28-9 Ba 2778 EINECS 200-503-7 N-Ethyloxindole NSC 8893