4H-Pyrano(2,3-b)(1,4)benzodioxin-4-one, decahydro-4a,7,9-trihydroxy-2-methyl-6,8-bis(methylamino)-, (2R-(2alpha,4abeta,5abeta,6beta,7beta,8beta,9alpha,9aalpha,10abeta))-
Spectinomycin-containing product