Chemical Name: (8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl hydrogen sulfate, sodium salt ; 17α-Acetoxy-3-sulfatoxy-estra-1,3,5(10)-triene Sodium Salt
Synonym: Valdecoxib Disulfonamide Impurity