共 8 条
- [2] BUDZIKIEWICZ H, 1970, ORG MASS SPECTROM, V11, P821
- [5] SCHEER H, 1978, PORPHYRINS, V2, P1
- [6] ANALYSIS OF PETROPORPHYRINS BY CHEMICAL IONIZATION MASS-SPECTROMETRY [J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1978, (12): : 1655 - 1659
- [8] WOBERG A, 1970, J AM CHEM SOC, V92, P2982