1,5-Pentanedicarboxylic acid 111-16-0 4-02-00-02003 (Beilstein Handbook Reference) BRN 1210024 EINECS 203-840-8 Heptandioic acid Heptane-1,7-dioic acid Heptanedioic acid NSC 30112 PIMELIC ACID Pileric acid