共 6 条
- [1] FERRATINI A, 1894, GAZZ CHIM ITAL, V24, P194
- [2] THE COLOUR OF ORGANIC COMPOUNDS .5. THERMOCHROMIC SPIRANS [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1951, (NOV): : 3038 - 3047
- [3] KOELSCH CF, 1951, J ORG CHEM, V16, P1352
- [4] PLANCHER G, 1898, GAZZ CHIM ITAL, V28, P37
- [5] PLANCHER G, 1898, BER, V31, P1494