(E)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium (Z)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium chloride; (E) or (Z)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium
(E)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium (Z)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium chloride; (E) or (Z)-4-amino-N,N,N-trimethyl-4-oxobut-2-en-1-aminium