AIDS-153822 AIDS153822 Hexaarginine-Neomycin B Conjugate NeoR Neomycin B-arginine conjugate [D-Streptamine, O-2,6-diamino-2,6-dideoxy-.alpha.-D-glucopyranosyl-(1.fwdarw.4)-O-[O-2,6-diamino-2,6-dideoxy-.beta.-L-idopyranyl- (1.fwdarw.3)-.beta.-D-ribofuranosyl-(1.fwdarw.5)]-2-deoxy]-arginine cojugate