(untitled) - Shackelford, S A; Anderson, M B; Christie, L C; Goetzen, T; Guzman, M C; Hananel, M A; Kornreich, W D; Li, H; Pathak, V P; Rabinovich, A K; Rajapakse, R J; Truesdale, L K; Tsank, S M; Vazir, H N (J. Org. Chem., 2003)