(alpha-L-ribo-hexopyranosyl) isomer of 7-O-(3-amino-2,3,6-trideoxy-alpha-hexopyranosyl)-epsilon-isorhodomycinone
(alpha-l-ribo-hexopyranosyl) isomer of 7-o-(3-amino-2,3,6-trideoxy-alpha-hexopyranosyl)-epsilon-isorhodomycinone