21063-71-8 4-Octenoic acid, methyl ester, (4Z)- 4-Octenoic acid, methyl ester, (Z)- EINECS 244-188-4 FEMA No. 3367 Methyl (Z)-oct-4-enoate Methyl 4-octenoate, (Z)- Methyl cis-4-octenoate cis-4-Octenoic acid, methyl ester