[Composition of spongopurine, a new purine base in nature].
D000225:Adenine / Q000031:analogs & derivatives; D000468:Alkalies; D000818:Animals; D011161:Porifera / Q000737:chemistry*; D011687:Purines
D000468:Alkalies; D011687:Purines; D000225:Adenine; C030985:purine
ADENINE/related compounds; PORIFERA/chemistry