2-Hydroxymethyl olanzapine is a metabolite and a degradation product of Olanzapine [1][2].
References:
[1]. Chiu JA, et al. Analysis and pharmacokinetics of olanzapine (LY170053) and two metabolites in rat plasma using reversed-phase HPLC with electrochemical detection. J Pharm Biomed Anal. 1996 Mar;14(5):609-615.
[2]. Saar E, et al. Identification of 2-hydroxymethyl-olanzapine as a novel degradation product of olanzapine. Forensic Sci Int. 2012 Jul 10;220(1-3):74-9.
References:
[1]. Chiu JA, et al. Analysis and pharmacokinetics of olanzapine (LY170053) and two metabolites in rat plasma using reversed-phase HPLC with electrochemical detection. J Pharm Biomed Anal. 1996 Mar;14(5):609-615.
[2]. Saar E, et al. Identification of 2-hydroxymethyl-olanzapine as a novel degradation product of olanzapine. Forensic Sci Int. 2012 Jul 10;220(1-3):74-9.