the first layer comprising {HEAD ~ compressed granules} comprising 2 benzonitrile or {TAIL ~ a salt} thereof and, as a first excipient, sugar or sugar alcohol; and 
comprising
the first layer comprising { HEAD ~ compressed granules } comprising 2 benzonitrile or { TAIL ~ a salt } thereof and , as a first excipient , sugar or sugar alcohol ; and
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH