61281-37-6 64121-95-5 Benzo(3,4)cycloocta(1,2-f)(1,3)benzodioxole, 5,6,7,8-tetrahydro-1,2,3,13-tetramethoxy-6,7-dimethyl-, stereoisomer NCGC00163663-01 Schizandrin B Wuweizisu B gamma-Schizandrin Schisandrin B