(Z)-tetracos-15-enoic acid 506-37-6 (Z)-15-Tetracosenoic acid C08323 Nervonic acid 15Z-tetracosenoic acid LMFA01030092 cis-15-tetracosenoic acid N1514_SIGMA cis-selacholeic acid 15-Tetracosenoic acid (15Z)-tetracos-15-enoic acid CHEBI:44247 cis-Delta(15)-tetracosenoic acid (15Z)-Tetracosenoic acid Selacholeic acid 87117_FLUKA