Synonyms: Preparation II;Spiro(isoquinoline-4(1H),4'-(4H)pyran)-1,3(2H)-dione, 2',3',5',6'-tetrahydro-2-(2-(diethylamino)ethyl)-2',6'-dimethyl-, phosphate (1:1);AC1L49KC;LS-146197;13613-88-2;2-(2-diethylaminoethyl)-2',6'-dimethylspiro[isoquinoline-4,4'-oxane]-1,3-dione; phosphoric acid