2aH-Cyclobut(e)indene-2a,5-diol, 1,2,3,4,4a,5,7a,7b-octahydro-7a-(hydroxymethyl)-2,2,4a-trimethyl-, (2aalpha,4aalpha,5beta,7aalpha,7bbeta)-(-)- 91161-74-9 M 95464 M95464 NSC 382606 Punctaporonin A Punctatin A