1-N-(S)-4-Amino-2-hydroxybutyryl-3'4'-deoxyneamine 42859-94-9 Streptamine, N1-(4-amino-2-hydroxy-1-oxobutyl)-4-O-(2,6-diamino-2,3,4,6-tetradeoxy-alpha-D-erythro-hexopyranosyl)-, (S)-