2H-5,7b-Ethanoindeno(1,7-bc)furan-2,7(7ah)-dione, hexahydro-9,9-dimethyl-7a-(hydroxymethyl)(2a-alpha,5-alpha,5a-beta,7a-alpha,7b-alpha)-(+)- 6-Hydroxyisoquadrone 93078-74-1