T-2 Tetraol is a metabolite of T-2 toxin, and also a trichothecene mycotoxin, with less toxicity and is unable to induce apoptosis[1][2].
References:
[1]. Engler KH, et al. A colorimetric technique for detecting trichothecenes and assessing relative potencies. Appl Environ Microbiol. 1999 May;65(5):1854-7.
[2]. Islam Z, et al. Structure-function relationship of T-2 toxin and its metabolites in inducing thymic apoptosis in vivo in mice. Biosci Biotechnol Biochem. 1998 Aug;62(8):1492-7.