00810nam2 22002171i 450 990002276800403321000227680FED01000227680(Aleph)000227680FED0100022768020030801d--------km-y0itay50------ba6-(Pentylthio)- and 6-(Cyclopentylthio)-purine and 6-(Methylthio)- and 6-(Ethylthio)-9-beta-D-ribofuranosyl-9H-purine. New York, 1968, v. 1, p. 258-261.001000221633Johnston,Thomas P.94820ITUNINARICAUNIMARCBK990002276800403321FFABC6-(Pentylthio)- and 6-(Cyclopentylthio)-purine and 6-(Methylthio)- and 6-(Ethylthio)-9-beta-D-ribofuranosyl-9H-purine. New York, 1968, v. 1, p. 258-261386884UNINAING01