1-adamantan-1-yl-2-(5,6,7,8-tetrahydro-pyrido3,4-dpyrimidin-4-ylamino)-ethanol 
 
1212289-17-2 
 
(S)-1-{2-4-(2-adamantan-1-yl-2-hydroxy-ethylamino)-5,8-dihydro-6H-pyrido3,4-dpyrimidin-7-yl-2-oxo-ethyl}-4-hydroxy-pyrrolidin-2-one