Table 1.

Derivatives of 2-aminopyrimidine.

Sr. No.	R1	R2	R3	R4	R5
3a	CH3	CH3	H	CH3	CH3
3b	CH3	OC2H5	H	CH3	OH
3c	OC2H5	OC2H5	H	OH	OH
3d	OC2H5	OC2H5	C2H5	OH	OH
3e	OC2H5	OC2H5	C4H9	OH	OH
3f	OC2H5	OC2H5		OH	OH