Complex sentence: Ricinelaidic acid or (+)-(R)-Ricinelaidic acid (12-hydroxy-9-trans-octadecenoic acid) is the trans-isomer of the fatty acid ricinoleic acid.
Split into simpler sentences: Ricinelaidic acid or (+)-("R")-ricinelaidic acid is an unsaturated omega-9 trans fatty acid. It is the trans-isomer of the fatty acid ricinoleic acid.