120301-02-2 2'-Dehydropipecuronium 2'-Dehydropipecuronium bromide Pyrazinium, 4-((2beta,3alpha,5alpha,16beta,17beta)-3,17-bis(acetyloxy)-2-(4,4-dimethylpiperazinium-1-yl)androstan-16-yl)-1,2,3,4-tetrahydro-1,1-dimethyl-, dibromide