... % WP Mol. wt. 290.3 M.f. C14H18N4O3 M.p. 140 (decomp.) V.p. <5.0 ?10-3 mPa (25 ) KOW logP ... water and stability at various pH values investigated by R. P. Singh & M. Chiba (ibid., 1985, 33, 63). Stable to light. Decomposed ... . Mechanism of the acid-catalysed decomposition in aqueous media, J. P. Calmon & D. R. Sayag (ibid., 1976, 24, 314, 317 ...