An azaphthalide 4 wherein {HEAD ~ X1} is lower alkoxy, Z1 is {TAIL ~ methyl} or phenyl and Y is C6 C8 alkyl 
An azaphthalide 4 wherein { HEAD ~ X1 } is lower alkoxy , Z1 is { TAIL ~ methyl } or phenyl and Y is C6 C8 alkyl
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH