2-Naphthalenol, 1,2,3,4-tetrahydro-5,8-dimethoxy-3-(1-piperazinyl)-, hydrochloride, (E)- QK4252400 trans-5,8-Dimethoxy-3-(1-piperazinyl)-1,2,3,4-tetrahydro-2-naphthalenol hydrochloride