IUPAC:5-[3-(1,3-diethyl-4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)prop-1-en-1-yl]-1,3-diethyl-2-sulfanylidene-1,3-diazinane-4,6-dione
IUPAC:5-[3-(1,3-diethyl-4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)prop-1-en-1-yl]-1,3-diethyl-2-sulfanylidene-1,3-diazinane-4,6-dione