5-phenyl-1,2,3,3a,4,6a-hexahydropentalene InChI=1/C14H16/c1-2-5-11(6-3-1)14-9-12-7-4-8-13(12)10-14/h1-3,5-6,9,12-13H,4,7-8,10H pentalene, 1,2,3,3a,4,6a-hexahydro-5-phenyl-