3′-[(7,8-Dimethoxy-2,3-dihydro-1H-cyclopenta[a]naphthalen-4-yl)amino]-6′,7′-dimethoxy-4′H-spiro[cyclopentane-1,1′-isoquinolin]-4′-one

3′-[(7,8-Diméthoxy-2,3-dihydro-1H-cyclopenta[a]naphtalén-4-yl)amino]-6′,7′-diméthoxy-4′H-spiro[cyclopentane-1,1′-isoquinolin]-4′-one

3′-[(7,8-Dimethoxy-2,3-dihydro-1H-cyclopenta[a]naphthalen-4-yl)amino]-6′,7′-dimethoxy-4′H-spiro[cyclopentane-1,1′-isoquinolin]-4′-one

3′-[(7,8-Dimethoxy-2,3-dihydro-1H-cyclopenta[a]naphthalin-4-yl)amino]-6′,7′-dimethoxy-4′H-spiro[cyclopentane-1,1′-isoquinolin]-4′-on

Spiro[cyclopentane-1,1′(4′H)-isoquinolin]-4′-one, 3′-[(2,3-dihydro-7,8-dimethoxy-1H-benz[e]inden-4-yl)amino]-6′,7′-dimethoxy-