Synonyms: 3-(4-(Diethylamino)-2-butynyl)-1-methyl-2,4(1H,3H)-quinazolinedione hydrochloride;2,4(1H,3H)-Quinazolinedione, 3-(4-(diethylamino)-2-butynyl)-1-methyl-, monohydrochloride;3-[4-(diethylamino)but-2-yn-1-yl]-1-methylquinazoline-2,4(1h,3h)-dione hydrochloride(1:1);AC1L3SBG;AC1Q3ENZ;AR-1F1080;LS-140135;3-[4-(diethylamino)but-2-ynyl]-1-methylquinazoline-2,4-dione hydrochloride;3-[4-(diethylamino)but-2-yn-1-yl]-1-methylquinazoline-2,4(1H,3H)-dione hydrochloride (1:1)