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| Solvent | N observed | N predicted | |
| Form I | DCM | 3.88 | 4 |
| Form II | CHCl3 | 5.66 | 5 |
| Form III | CCl4 | 5 | 5 |
| Form IV | EtOAc | 2.5 | 2 |
| Form V | 1,4-Dioxane | 3.5 | 3 |
| Form VI | CHCl3·oX | 1 : 1 | 1 : 1 |
| Form VII | DCM·oX | 1 : 2 | 1 : 2 |
| Form VIII | pX | 1.47 | 1 |
