#$%^&*AU2018204107A120180628.pdf#####C: Interwovn NRPortbl DCC RBR 17122783_l.docx-6 06/2018 ABSTRACT OF THE DISCLOSURE The present invention provides crystalline forms, solvates and hydrates of 4-amino-2-butoxy-8-(3-(pyrrolidin-1-ylmethyl)benzyl)-7,8-dihydropteridin-6(5H)-one, and methods of making.