110425-49-5 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-(3-(1,3-dibutylhexahydro-2,4,6-trioxo-5-pyrimidinyl)-2-propenylidene)- Bis(1,3-dibutylbarbituric acid)trimethyne oxonol Dibac4 bis(1,3-dibutylbarbiturate)trimethine oxonol di-BA-C4