13097-17-1 3-Hydroxymethylaminopyrine 3H-Pyrazol-3-one, 4-(dimethylamino)-1,2-dihydro-5-(hydroxymethyl)-1-methyl-2-phenyl- 4-Dimethylamino-3-hydroxymethyl-2-methyl-2-phenyl-3pyrazolin-5-one,