... J. Antibiot. 1987,40,66&678. 0022-2623/92/1835-0177$03.00/0 0 1992 American Chemical Society Page 2. Davis et al. ... Page 5. Inhibitors of Protein Kinase Journal of Medicinal Chemistry, 1992, Vol. 35, No. 1 181 Table VI. Selectivity of PKC Inhibitors Table VII. ...