54355-79-2

Spiro[2,5-ethanooxireno[3,4]cyclopenta[1,2-c]pyran-6(3H),2'-oxirane]-3,7-dione,hexahydro-1b-hydroxy-5a-methyl-8-(1-methylethylidene)-, [1aS-(1aa,1bb,2b,5b,5ab,6b,6aa)]-