Cyclobutanemethanol, 1-[(2-amino-6-chloro-4-pyrimidinyl)aminomethyl]-3-(2-phenylethyl)- NSC676345 Pyrimidine-2,4-diamine, 6-chloro-N(4)- [[1-(hydroxymethyl)-3-(2-phenylethyl)cyclobutyl]methyl]-