2,2'-((5-carboxy-4-(carboxymethyl)-3-cyanothiophen-2-yl)azanediyl)diacetic acid; 5-[Bis(carboxymethyl)amino]-2-carboxy-4-cyano-3-thiopheneacetic Acid
2,2'-((5-carboxy-4-(carboxymethyl)-3-cyanothiophen-2-yl)azanediyl)diacetic acid; 5-[Bis(carboxymethyl)amino]-2-carboxy-4-cyano-3-thiopheneacetic Acid