Amidine benzodiazepines, methods for their use and intermediates
 Fused tetracyclic benzodiazepines of the formula (I): ##STR1## where R.sup.1 is an acyclic amine or cyclic amine such as 1-piperidine, 4-morpholine or 1-piperazine and R.sup.2 is H or a substituent as defined herein as useful as antiallergins. Also, methods for their synthesis, intermediate used in such synthesis, methods for use as medicaments and pharmaceutical compositions. 
McNeilab, Inc.
C
C07D
inventional
Chih Y.
Ho