79-40-3 Dithiooxamide Dithioxamide Ethanedithioamide Hydrorubeanic acid NSC1893 Oxaldiimidic acid, dithio- Oxamide, dithio- RVK Rubean Rubeane Rubeanic acid Usaf B-43 Usaf ek-4394 Usaf mk-6 WLN: SUYZYZUS