Polypyrrole (substance)
| Code | 67560001 |
|---|---|
| Semantic tag | substance |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
115667008Pyrrole
substance
82064002Coproporphyrinogen I
substance
85689002Coproporphyrinogen III
substance
49389004Protoporphyrinogen III
substance
418677006Tetrapyrrole
substance