1,1-Diethyl-4-(D-6-methyl-8-isoergolin-I-yl)semicarbazide tartrate 2,2-Diethyl-N-((8-alpha)-6-methylergolin-8-yl)hydrazinecarboxamide tartrate 64080-23-5 Hydrazinecarboxamide, 2,2-diethyl-N-((8-alpha)-6-methylergolin-8-yl)-, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:1)