121936-22-9 2,4-Diamino-5-(3-methoxy-4-allyloxybenzyl)pyrimidine hydrochloride 2,4-Pyrimidinediamine, 5-((3-methoxy-4-(2-propenyloxy)phenyl)methyl)- 5-((3-Methoxy-4-(2-propenyloxy)phenyl)methyl)-2,4-pyrimidinediamine