Synonyms: Calcium 3-methyl-2-oxovalerate; CALCIUM ALPHA-KETO-BETA-METHYL-N-VALERATE;ALPHA-KETOISOLEUCINE CALCIUM SALT;3-METHYL-2-OXOVALERIC ACID CALCIUM SALT;2-KETO-ISOLEUCINE CALCIUM SALT;calcium (±)-3-methyl-2-oxovalerate;D,L-a-Ketoisoleucine Calcium;(+/-)-3-Methyl-2-oxopentanoic acid calcium salt;(+/-)-3-Methyl-2-oxopentanoic acid calcium salt