Patent ID: 7186727

Claim:
A compound according to formula II: its enantiomers or pharmaceutically-acceptable salts, thereof, wherein: each R 17 is independently —OR 18 , —NR 18 R 19 , —C(═O)R 18 , —CO 2 R 18 , —C(═O)NR 18 R 19 , —NR 18 C(═O)R 19 , —NR 18 C(═O)OR 19 , —S(O) p R 19 , —NR 18 SO 2 R 19 , and/or —SO 2 NR 18 R 19 ; R 18 and R 19 are independently hydrogen, alkyl, substituted alkyl, cycloalkyl, and/or substituted cycloalkyl; q is 1, 2, or 3; and p is 1 or 2.