1H-Cyclopenta(b)quinolinium, 2,3-dihydro-4,9-dimethyl-, methyl sulfate 4,9-Dimethyl-2,3-dihydro-1H-cyclopenta(b)quinolinium methyl sulfate 9-Methyl-2,3-dihydro-1-cyclopenta(b)chinolin methosulfat [German] Cyclopentalepidin methosulfat [German] GY5937000