(R*,R*)-(+-)-3,3'-(1,3-Propanediyl)bis(2-(5-methyl-2-thienyl)-4-thiazolidinone) 157247-98-8 4-Thiazolidinone, 3,3'-(1,3-propanediyl)bis(2-(5-methyl-2-thienyl)-, (R*,R*)-(+-)-