dTDP-beta-L-rhamnose => dTDP-6-deoxy-beta-L-talose
dtdp-beta-l-rhamnose => dtdp-6-deoxy-beta-l-talose
dTDP-beta-L-rhamnose => dTDP-6-deoxy-beta-L-talose
dtdp-beta-l-rhamnose => dtdp-6-deoxy-beta-l-talose