140158-63-0 Acetyl 2,3-dioxopropanal-di-(4,4-dimethylthiosemicarbazone) Cu-DM-Ac DM-Ac Hydrazinecarbothioamide, 2,2'-(1-((acetyloxy)methyl)-1,2-ethanediylidene)bis(N,N-dimethyl- Zn-DM-Ac