上游原料
Benzylamine; Phenylmethanamine2,6-dichloro-9H-purine2-bromopropaneN-benzyl-2-chloro-9H-purin-6-amine; N-benzyl-N-(2-chloro-9H-purin-6-yl)amineN-benzyl-2-chloro-9-isopropyl-9H-purin-6-amine; N-benzyl-N-(2-chloro-9-isopropyl-9H-purin-6-yl)amine(S)-(+)-2-Amino-1-butanol; L-(+)-2-Amino-1-butanol; (S)-2-Amino-1-butanol
