? 4,4-Diethoxy-N,N-dimethyl-1-butanamine , with CAS number of 1116-77-4, can be called 1-butanamine, 4,4-diethoxy-N,N-dimethyl- ; (4,4-Diethoxy-butyl)-dimethyl-amine ; N,N-Dimethyl-4-aminobutanal diethyl acetal .