Synonyms: 1-((5r,8s,10r)-6-methyl-8-ergolinyl)-3,3-diethylureahydrogenmaleate;n,n-diethyl-n’-((8-alpha)-6-methylergolin-8-yl)-ure(z)-2-butenedioate(1:1;n,n-diethyl-n’-((8-alpha)-6-methylergolin-8-yl)urea(z)-2-butenedioate;terguridehydrogenmaleate;trans-9,10-dihydrolisuridehydrogenmaleate;vufb6638;S-(-)-TERGURIDE MALEATE SALT;N,N-diethyl-N'-[(8alpha)-6-methylergolin-8-yl]uronium hydrogen maleate (1:1)