Synonyms: 2,4-Dioxa-1,3-diphosphanonan-9-oicacid, 1,1,3,7-tetrahydroxy-7-methyl-, 1,3-dioxide (9CI); Valeric acid,3,5-dihydroxy-3-methyl-, 5-(trihydrogen pyrophosphate) (8CI); Valeric acid,3,5-dihydroxy-3-methyl-, 5-pyrophosphate (6CI,7CI); Pyrophosphoric acid,5-ester with 3,5-dihydroxy-3-methylvaleric acid (8CI); 5-Pyrophosphomevalonic acid;Mevalonic 5-pyrophosphate; Mevalonic acid 5-diphosphate; Mevalonic acid5-pyrophosphate; Mevalonic acid pyrophosphate; Pyrophosphomevalonic acid