replace all non-alphanumeric characters in prop names with underscores
replace all non-alphanumeric characters in prop names with underscores

bp-kelley/rdkit,soerendip42/rdkit,ptosco/rdkit,rdkit/rdkit,bp-kelley/rdkit,adalke/rdkit,jandom/rdkit,bp-kelley/rdkit,adalke/rdkit,rdkit/rdkit,rdkit/rdkit,strets123/rdkit,rdkit/rdkit,greglandrum/rdkit,bp-kelley/rdkit,ptosco/rdkit,rdkit/rdkit,strets123/rdkit,bp-kelley/rdkit,rdkit/rdkit,soerendip42/rdkit,greglandrum/rdkit,soerendip42/rdkit,greglandrum/rdkit,AlexanderSavelyev/rdkit,jandom/rdkit,rvianello/rdkit,ptosco/rdkit,ptosco/rdkit,AlexanderSavelyev/rdkit,rvianello/rdkit,jandom/rdkit,greglandrum/rdkit,adalke/rdkit,strets123/rdkit,rvianello/rdkit,jandom/rdkit,soerendip42/rdkit,jandom/rdkit,ptosco/rdkit,jandom/rdkit,strets123/rdkit,rvianello/rdkit,AlexanderSavelyev/rdkit,soerendip42/rdkit,jandom/rdkit,rvianello/rdkit,rvianello/rdkit,jandom/rdkit,greglandrum/rdkit,rdkit/rdkit,AlexanderSavelyev/rdkit,adalke/rdkit,ptosco/rdkit,AlexanderSavelyev/rdkit,adalke/rdkit,bp-kelley/rdkit,strets123/rdkit,rdkit/rdkit,AlexanderSavelyev/rdkit,strets123/rdkit,strets123/rdkit,strets123/rdkit,soerendip42/rdkit,adalke/rdkit,AlexanderSavelyev/rdkit,ptosco/rdkit,bp-kelley/rdkit,AlexanderSavelyev/rdkit,adalke/rdkit,rvianello/rdkit,soerendip42/rdkit,ptosco/rdkit,greglandrum/rdkit,greglandrum/rdkit,AlexanderSavelyev/rdkit,rvianello/rdkit,greglandrum/rdkit,bp-kelley/rdkit,soerendip42/rdkit,adalke/rdkit