What are the names of the products that had been shipped in March 2013 at central superstore?
names of the products refers to Product Name; shipped in March 2013 refers to "Ship Date" = '2013-03%'
SELECT DISTINCT T2.`Product Name` FROM central_superstore AS T1 INNER JOIN product AS T2 ON T1.`Product ID` = T2.`Product ID` WHERE strftime('%Y-%m', T1.`Ship Date`) = '2013-03'