Patent ID: 7560252

Claim:
An isolated compound, said compound being selected from the group consisting of formula 1, and pharmaceutically acceptable salts thereof, wherein R 1 is a cycloalkyl group of the formula, n being 1-2, and R 1 can also optionally have a substituent of at least one halo atoms or at least one C 1 to C 3 alkyl groups; R 2 , R 3 , R 6 , R 7 , R 8 , R 9 , or R 11 are each independently H, OCH 3 , CH 3 or CH 2 CH 3 ; R 4 is CN, CO 2 H, CHO, CH 3 , CONH 2 , CHNH; R 5 , R 10 are OH; with the proviso that said compounds are not borrelidin, 12-desnitrile-12-carboxyl borrelidin, 10-desmethyl borrelidin, 11-epiborrelidin or C14,C15-cis borrelidin; and formula 2 wherein R 2 , R 3 , R 6 , R 7 , R 8 , R 9 , or R 11 are each independently H, OCH 3 , CH 3 or CH 2 CH 3 ; R 4 is CN, CO 2 H, CHO, CH 3 , CONH 2 , CHNH; R 5 , R 10 are OH; and R 12 and R 13 are independently H or a C1-C4 alkyl group which may be optionally substituted with OH, F, Cl, SH, with the proviso that R 12 and R 13 are not simultaneously H.