2,3-Dihydro-3-(pyrrolidinyl)methyl-4(1H)-carbazolone 3-(1-Pyrrolidinomethyl)-2,3-dihydro-4(1H)-carbazolone 35556-74-2 4(1H)-CARBAZOLONE, 2,3-DIHYDRO-3-(PYRROLIDINYL)METHYL-