57063-25-9 Hydrosarpan 711 Isosarpan Oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, methyl ester, (19alpha)-, mixt. with 4-(1-hydroxy-2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-1,2-benzenediol