"1.zrazky heterocyclic compounds for trans edennya research work and nemis tyat confidence narcotics, psychotropic substances or their analogy iprekursory: (1,2-oxazolidine hydrochloride) -0,01kh., cas: 39657459., (2 -oxo-2,3-dihydro-1,3-benzoxazole-6-car baldehyde) -0,001kh., cas: 54903150.zrazky a