97187-32-1 Homospectinomycin Oxepino(2,3-b)(1,4)benzodioxin-5(2H)-one, decahydro-5a,8,10-trihydroxy-2-methyl-7,9-bis(methylamino)-, (2R-(2alpha,5abeta,6abeta,7beta,8beta,9beta,10alpha,10aalpha,11beta))-