(2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-2-Butyldecahydro-4a,7,9- trihydroxy-6,8-bis(methylamino)-4H-pyrano[2,3-b][1, 4]benzodioxin-4-one 4H-Pyrano[2,3-b][1,4]benzodioxin-4-one, 2-butyldecahydro-4a,7,9-trihydroxy-6,8-bis(methylamino)-, (2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)- 88669-04-9 (FREE BASE) 88851-61-0 (MONOSULFATE PENTAHYDRATE) AIDS-007670 AIDS007670 Spectinomycin deriv U6633F(B) Trospectinomycin Trospectomycin Trospectomycin sulfate U-63,366F U6633(F)B