9-amino-4-methoxy-1H-triazino<3,4-e>purine

(1R)-1-(4-ethyl-5-methoxy-4H-[1,2,4]-triazol-3-yl)ethylamine

5-(1-methoxy-2-nitro-propyl)-6-methyl-benzo[1,3]dioxole

7-methoxy-thieno[2,3-d]pyridazine

4-methoxy-1H-benzo[d][1,2]oxazine