1,3-Benzenedisulfonic acid, 4-(bis(2,3,6,7-tetrahydro-8-hydroxy-1H,5H-benzo(ij)quinolizin-9-yl)methyl)- 4-(Bis(2,3,6,7-tetrahydro-8-hydroxy-1H,5H-benzo(ij)quinolizin-9-yl)methyl)benzene-1,3-disulphonic acid 63549-43-9 EINECS 264-305-2