Synonyms: BRN 4748472;2-Phenylpyrazolo(1,5-d)(1,2,4)triazin-4(5H)-one;Pyrazolo(1,5-d)(1,2,4)triazin-4(5H)-one, 2-phenyl-;135104-20-0;2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one;AC1MIQF4;BBL004887;STL080986;AKOS000276363;LS-129401;2-phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one;F3379-1025;2-phenyl-5,8-dihydro-pyrazolo[1,5-d][1,2,4]triazin-4-one