2H-Pyrano(2,3-b)(1,4)benzodioxin-4a,7,9(10aH)-triol, 5a,6,7,8,9,9a-hexahydro-4-methoxy-2-methyl-6,8-bis(methylamino)-, (2R-(2alpha,4abeta,5abeta,6beta,7beta,8beta,9alpha,9aalpha,10beta))- 95041-97-7 Spenolimycin