(2ξ,3β,5α,19α)-4-Acetoxy-15-[(13S,17S)-17-ethyl-17-hydroxy-13-(methoxycarbonyl)-11-aza-1-azoniatetracyclo[13.3.1.04,12.05,10]nonadeca-4(12),5,7,9-tetraen-13-yl]-1-formyl-3-hydroxy-16-m
ethoxy-3-(methoxycarbonyl)-6,7-didehydroaspidospermidin-9-ium sulfate