207502-05-4 24765-31-9 4,6(1H,5H)-Pyrimidinedione, 5-(5-(1,3-diethylhexahydro-4,6-dioxo-2-thioxo-5-pyrimidinyl)-2,4-pentadienylidene)-1,3-diethyldihydro-2-thioxo- 47682-91-7 5,5'-(Penta-1,3-dien-1-yl-5-ylidene)bis(1,3-diethyl-2-thiobarbituric) acid EINECS 246-450-3