| abstract |
The present invention relates to ganglioside related compounds having, for example, the following formula: ##STR1## where R 1 represents H or COCH 3 (hereinafter abbreviated to "AC"); R 2 represents H or CH 3 ; and R 3 represents --OH, ##STR2## These ganglioside related compounds are useful as membrane receptors, tumor markers, cell growth controlling substances, etc., and useful for immunotherapy for cancer, etc. |