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