1H-Pyrazole-3-carboxylic acid, 4-(5-(3-(ethoxycarbonyl)-5-hydroxy-1-(tetrahydro-3-thienyl)-1H-pyrazol-4-yl)-2,4-pentadienylidene)-4,5-dihydro-5-oxo-1-(tetrahydro-3-thienyl)-, ethyl ester, S,S,S',S'-tetraoxide 84100-58-3 EINECS 282-138-3