6-chloro-9-(7-oxabicyclo[4.1.0]hept-2-yl)-9H-purine 9H-purine, 6-chloro-9-(7-oxabicyclo[4.1.0]hept-2-yl)- InChI=1/C11H11ClN4O/c12-10-8-11(14-4-13-10)16(5-15-8)6-2-1-3-7-9(6)17-7/h4-7,9H,1-3H