102489-37-2 2-Butynediamide 4-02-00-02295 (Beilstein Handbook Reference) 543-21-5 73663-83-9 ACETYLENEDICARBOXAMIDE Acetylendicarbonsaeureamid [German] Acetylene dicarboxamide Acetylenedicarboxylic acid diamide Aquamycin BRN 1756134 Cellocidin Lenamycin NSC 38643 NSC 65381 Renamycin