告知价格和货期  提供LC-MS 核磁 97%

1,5-bis(pyridin-4-ylethynyl)naphthalene
Chemical Formula: C24H14N2
Molecular Weight: 330.3900
m/z: 330.1157 (100.0%), 331.1191 (26.0%), 332.1224 (3.2%)
Elemental Analysis: C, 87.25; H, 4.27; N, 8.48