2(1H)-Pyrimidinethione, tetrahydro-6-hydroxy-1-D-ribofuranosyl- 3-(D-Ribosyl)-4-hydroxyhexahydropyrimidine-2-thione 99677-77-7 BRN 4482977 Tetrahydro-6-hydroxy-1-D-ribofuranosyl-2(1H)-pyrimidinethione