138384-42-6 4-Psbai N(6)-(4-(Piperazinylsulfonyl)benzyl)-6-aminobenz(cd)indol-2(1H)-one Piperazine, 1-((4-(((1,2-dihydro-2-oxobenz(cd)indol-6-yl)ethylamino)methyl)phenyl)sulfonyl)-