Synonyms: Vasicinone hydrochloride;2,3-Dihydro-3-hydroxypyrrolo(2,1-b)quinazolin-9(1H)-one hydrochloride;Pyrrolo(2,1-b)quinazolin-9(1H)-one, 2,3-dihydro-3-hydroxy-, monohydrochloride;AC1L4HSI;LS-139706;3-hydroxy-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one hydrochloride;80039-73-2