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    | product Name | 2,3,9,10-tetramethoxy-5,6-dihydroisoquino[3,2-a]isoquinolinium hydroxide |  
    | Synonyms |  |  
    | Molecular Formula | C21H23NO5 |  
    | Molecular Weight | 369.411 |  
    | InChI | InChI=1/C21H22NO4.H2O/c1-23-18-6-5-13-9-17-15-11-20(25-3)19(24-2)10-14(15)7-8-22(17)12-16(13)21(18)26-4;/h5-6,9-12H,7-8H2,1-4H3;1H2/q+1;/p-1 |  
    | CAS Registry Number | 131-04-4 |  
    | Molecular Structure | ![131-04-4 2,3,9,10-tetramethoxy-5,6-dihydroisoquino[3,2-a]isoquinolinium hydroxide](http://images-a.chemnet.com/suppliers/chembase/cas91/131-04-4.png)  |  
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    | Safety Description |  |  |