... (8) DENPOT 80 (BcPE 483) by Peeters, D.; Sana, M. (9) GAUSSIAN 80 (QCPE 446) by Singh, U. c.; Kollman, P. OO22-2623/90/ 1833-2052$02.50/0 0 1990 American Chemical Society Page 2. ... Journal of Medicinal Chemistry, 1990, Vol. 33, No. 7 2053 Scheme I" S S ...