TETRACYCLIC COMPOUND HAVING DIHYDROBENZOFURAN RING OR DIHYDROBENZOPYRAN RING, AND FRAGRANCE MATERIAL COMPOSITION CONTAINING SAME
The present invention relates to a dihydrobenzofuran compound or dihydrobenzopyran compound represented by formula (1) (wherein each of R1, R2 and R3 independently represents a hydrogen atom, an alkoxy group having from 1 to 5 carbon atoms, or an alkyl group; each of R4a and R4c represents a hydroge...
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Format: | Patent |
Sprache: | eng ; fre ; jpn |
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