Assertion: bi pyrimidine | /r/HasProperty | ii
Facets:
Source sentences:
text: Bis-pyrimidine (II) showed the characteristic IR bands at 3058 and 1537 cm−1 for the presence of C–H and C=C group in aromatic ring, respectively and characteristic bands at 3331 and 1604 cm−1 for the presence of –NH 2 and N=CH str.