Cyclopenta[c]pyran-3(1H)-one, hexahydro-7-methyl-, (4aR,7S,7aR)-

(+)-boschnialacton

Isoboonein; (4aR,6S,7R,7aS)-六氢-6-羟基-7-甲基环戊并[c]吡喃-3(1H)-酮

(1R,2S,3R,4R)-3-Methyl-5-oxo-bicyclo[2.2.1]heptane-2-carbaldehyde