127391-87-1

Benzenesulfonic acid,4-[4-[5-(1,3-dibutylhexahydro-4,6-dioxo-2-thioxo-5-pyrimidinyl)-2,4-pentadien-1-ylidene]-3-ethyl-4,5-dihydro-5-oxo-1H-pyrazol-1-yl]-