598482 Disclosed is a compound comprising polymorphic form 1 or 2 of 5-amino-1-(4-(4- chlorobenzoyl)-3,5-dichlorobenzyl)-1,2,3-triazole-4-carboxamide with orotic acid having a powder x-ray diffraction pattern comprising peaks at 28 of 4.9, 20.2, 24.3, 26.5 and 28.7; or 19.5, 23.2, 25, 28.7 and 29 respectively. Also disclosed is the orotate salt of the compound. The compounds are useful for the treatment of solid cancers, macular degeneration, retinopathy, chronic myeloid leukaemia or AIDS.