IUPAC:5-[(2E,3aS,4R,5R,6aS)-5-hydroxy-4-[(1E,3S,4S)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl]-octahydropentalen-2-ylidene]pentanoic acid
IUPAC:5-[(2E,3aS,4R,5R,6aS)-5-hydroxy-4-[(1E,3S,4S)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl]-octahydropentalen-2-ylidene]pentanoic acid