the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) stimulates protein discharge without affecting the level of cgmp , while n-methyl-n'-nitro-n-nitrosoguanidine ( mnng ) elevates cgmp , but does not elicit discharge ( gunther , g. r. , and jamieson , j. d. ( 1979 ) nature 280 , 318-320 ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate