1 3AS (3as,4r,9br)-2,2-difluoro-4-(4-hydroxyphenyl)-6-(methoxymethyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[C]chromen-8-ol 1.000 2 JJ3 (3as,4r,9br)-4-(4-hydroxyphenyl)-6-(methoxymethyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[C]chromen-8-ol 0.923 3 DC8 (3as,4r,9br)-2,2-difluoro-4-(4-hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[C]chromen-8-ol 0.885 4 I0G (3as,4r,9br)-4-(4-hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[C]chromen-8-ol 0.808 5 WST (3as,4r,9br)-4-(4-hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[C]chromen-9-ol 0.741