P01.08 Discovery of CRD1601, a potent and selective HPK1 inhibitor with robust in vivo anti-cancer activity by S Basu, R Ghosh, D Yadav, M Banerjee, R Shrivastava, A Gautam, A Middya, N Mane, N Rawat, D Pryde, A Surya, S Middya, S Debnath, M Padaliya, S Bano