2513200000 under HS Code Others, 2918140000 under HS Code CARBOXYLIC ACIDS WITH ADDITIONAL OXYGEN FUNCTION AND THEIR ANHYDRIDES, HALIDES, PEROXIDES AND PEROXYACIDS; THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES - CARBOXYLIC ACIDS WITH ALCOHOL FUNCTION, BUT WITHOUT OTHER OXYGEN FUNCTION, THEIR ANHYDRIDES, HALIDES, PEROXIDES, PEROXYACIDS AND THEIR DERIVATIVES : CITRIC ACID, and 1702305000 under HS Code Others were the top imported HS Codes by UAC LLC in 2021.