102734-12-3 2aH-Cyclobut(e)indene-2a,5-diol, 1,2,3,4,4a,5,7a,7b-octahydro-7a-(hydroxymethyl)-2,2,4a-trimethyl-, (2aS-(2aalpha,4aalpha,5alpha,7aalpha,7bbeta))- M 167906 M167906 Punctaporonin D