Myborin ,its cas register number is 34513-77-4. It also can be called 3a,4a,4-Diazabora-5-indacene, 4,4,8,8-tetraethyl-3,3a,4,8-tetrahydro- ; and Boron, diethyl(2-(1-ethyl-1-(2H-pyrrol-5-yl)propyl)-1H-pyrrolato-N1,N2)-, (T-4)- .