(5Z,8Z,11Z)-icosa-5,8,11-trienoic acid 5Z,8Z,11Z-eicosatrienoic acid IDI1_033882 LMFA01030381 ETrE(5Z, 8Z, 11Z) BSPBio_001412 NCGC00161346-01 NCGC00161346-02 E5888_SIGMA cis,cis,cis-5,8,11-Eicosatrienoic acid cis-5,8,11-Eicosatrienoic acid