卟吩 bǔfēn porphin Definitions Defs Origin Strokes Stroke Words Sentences Sents 卟吩 bǔfēn porphin porphin or porphine; a chemical compound consisting of four pyrrole rings, used as the basis for many biological pigments
卟吩 bǔfēn porphin porphin or porphine; a chemical compound consisting of four pyrrole rings, used as the basis for many biological pigments
