TY - GEN AU - Blackman,D TI - Textbook errors. 3. Isomers of the porphyrins SN - 0021-9584 PY - 1973///0503 KW - Isomerism KW - Porphyrins N1 - Publication Type: Journal Article UR - https://doi.org/10.1021/ed050p258 ER -