碘化油 、
氯离子 、
1-(((2,2-dimethyltetradecanoyl)oxy)methyl)-1-methyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium iodide 、
1-methyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)-1-((stearoyloxy)methyl)piperazin-1-ium iodide 以to give 1-(((stearoyl)oxy)methyl)-1-methyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium chloride (endotherm peak in the DSC at 185° C.)的产率得到1-(((stearoyl)oxy)methyl)-1-methyl-4-(2-methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-ium chloride