An appropriate compound of Formula I is one in which Q1 is --OR, R is a C1 -C6 alkyl, A is O or S, and Y and Z are as desired in the final product of the Formula I. An appropriate amine of the structure, HNR1 R2 gives a compound of Formula I in which Q1 is --NR1 R2 as desired in the final product of Formula I in which A is O or S.