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 <=> dtdp-beta-l-rhamnose