Figure F6. A. Mass spectrum of compound 34, tentatively identified as trihomo-hopane-32,33-diol (as TMS ether). B. Mass spectrum of compound 38, tentatively identified as pentakishomo-hopane-keto-diol (as TMS ether). Both compounds are present in the TLC-6 fraction of Sample 175-1084A-12-6, 140-143 cm.