52021-41-7 Furo(2',3':4,5)thiazolo(3,2-e)purine-8-methanol, 4-amino-6a,7,8,9a-tetrahydro-7-hydroxy-, alpha-(dihydrogen phosphate), homopolymer Poly(8,2'-cyclic adenylic acid) Poly(8,2'-cyclic amp)