Mesaconitine 、
乙醇 反应 240.0h,
以97%的产率得到(3R,4R,6S,6aS,8R,9R,10S,11S,11aR,12R,12aR,13R)-11a-ethoxy-4,9,11-trihydroxy-6,10,13-trimethoxy-3-(methoxymethyl)-1-methyltetradecahydro-2H-3,6a,12-(epiethane[1,1,2]triyl)-7,9-methanonaphtho[2,3-b]azocin-8-yl benzoate