Fig. 6

Substance to Compound relationship for guanine. In total, 153 entries in Substance are standardized to and mapped to the structure for CID 764. a Eight representative SIDs with non-identical structures that get standardized to guanine. No explicit hydrogen atoms were provided for (i), (ii), (iv), (v) and (viii). Hydrogen atoms are depicted as deposited for (iii), (vi) and (vii). b Standardized structure of Guanine (CID 764)