120354-23-6 3-Amino-2-(phenylmethyl)-3,5,6,7-tetrahydro-4H-cyclopenta(4,5)thieno(2,3-d)pyrimidin-4-one 4H-Cyclopenta(4,5)thieno(2,3-d)pyrimidin-4-one, 3,5,6,7-tetrahydro-3-amino-2-(phenylmethyl)- BRN 5979663