| Outgoing Relation(s) |
| acid-base indicator (CHEBI:50407) is a colour indicator (CHEBI:50410) |
| Incoming Relation(s) |
| 9-aminoacridine (CHEBI:74789) has role acid-base indicator (CHEBI:50407) |
| alizarin blue (CHEBI:87355) has role acid-base indicator (CHEBI:50407) |
| bromocresol purple (CHEBI:86154) has role acid-base indicator (CHEBI:50407) |
| bromophenol blue (CHEBI:59424) has role acid-base indicator (CHEBI:50407) |
| bromothymol blue (CHEBI:86155) has role acid-base indicator (CHEBI:50407) |
| cresol red (CHEBI:86218) has role acid-base indicator (CHEBI:50407) |
| litmus (CHEBI:87028) has role acid-base indicator (CHEBI:50407) |
| methylene blue (CHEBI:6872) has role acid-base indicator (CHEBI:50407) |
| neutral red (CHEBI:86370) has role acid-base indicator (CHEBI:50407) |
| neutral red base (CHEBI:86372) has role acid-base indicator (CHEBI:50407) |
| phenol red (CHEBI:31991) has role acid-base indicator (CHEBI:50407) |