1H,3H-6a,9-Methano-4,11b-propanocyclohepta[h][2]benzopyran,kauran-20-oic acid deriv.

1H,3H-6a,9-Methano-4,11b-propanocyclohepta[h][2]benzopyran,kauran-20-oic acid deriv. · CAS 149249-32-1