1 3 explicit Hs 4 5 6 7 8 9 10 11 12 13 14 15 16 17 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Any permutation of this numbering should not change the results. ❗ atom features bond features topology Molecular Graph read out graph-level output • sum, mean or max • attentive pooling CID 204 • atomic_num (one-hot, 101) • total_degree (one-hot, 7) • formal_charge (one-hot, 6) • chiral_tag (one-hot, 5) • num_Hs (one-hot, 6) • hybridization (one-hot, 6) • is_aromatic (binary, 1) • atomic_mass (real, 1) 17 edge(bond) features • no_bond (binary, 1) • is_single (binary, 1) • is_double (binary, 1) • is_triple (binary, 1) • is_aromatic (binary, 1) • is_connjugated (binary, 1) • is_in_ring (binary, 1) • stereo (one-hot, 7) 17 14 133 node(atom) features 133 features 14 features e.g. Features for ChemProp (Yang et al, 2019) atoms → nodes bonds → edges 1. permutation equivariance 2. permutation invariance