136604-19-8 2H-1-Bentopyran-6-ol, 2-((4-(3-(ethylamino)-2-pyridinyl)-1-piperazinyl)methyl)-3,4-dihydro-2,5,7,8-tetramethyl-, hydrochloride 2H-1-Benzopyran-6-ol,2-((4-(3-(ethylamino)-2-pyridinyl)-1-piperazinyl)methyl)-3,4-dihydro-2,5,7,8-tetramethyl-(Z)-2-butenedioate U 78518E U 78518F U-78518E U-78518F U78518F