[EN300-6744187-0.05g] tert-butyl 4-[6-({8-cyclopentyl-5-methyl-7-oxo-7H,8H-pyrido[2,3-d]pyrimidin-2-yl}amino)pyridin-3-yl]piperazine-1-carboxylate 2,751,500원
[EN300-6744187-0.1g] tert-butyl 4-[6-({8-cyclopentyl-5-methyl-7-oxo-7H,8H-pyrido[2,3-d]pyrimidin-2-yl}amino)pyridin-3-yl]piperazine-1-carboxylate 3,302,500원