155545-32-7 6H-6a,9-Methanobenzo[b]cyclohepta[d]pyran-6,7(1H)-dione,decahydro-11-hydroxy-1,11b-bis(hydroxymethyl)-2,2-dimethyl-8-methylene-, [1R-(1a,4ab,6ab,9b,11b,11aa,11ba)]- 155566-09-9 Dibenzo[1,7:3,4]cyclohept[1,2-b]oxiren-7(11bH)-one,2,3,4,5,5a,6-hexahydro-10-methoxy-5,5,9-trimethyl-, (1aR*,5aa,11bb)-