isoprene rule meaning in Hindi

Examples

1. He published his hypothesis, " Biogenetic Isoprene Rule ", which was the peak of his scientific career.
2. The main reason for the challenge in determining how the secondary metabolite is produced is because ( + )-totarol does not follow the isoprene rule : the isopropyl group of ( + )-totarol is in the  wrong place This hypothesis was motivated by the well known santonin-desmotroposantonin rearrangement of steroid dienones into aromatic compounds.