... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > organonitrogen compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organonitrogen compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > heterocyclic compound > organic heterocyclic compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic cyclic compound > organic heterocyclic compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic cyclic compound > organic heterocyclic compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > organic cyclic compound > organic heterocyclic compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organic heterocyclic compound > organonitrogen heterocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > heterocyclic compound > organic heterocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic molecule > organic cyclic compound > organic heterocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > organic molecule > organic cyclic compound > organic heterocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > organic cyclic compound > organic heterocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organic heterocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > monocyclic compound > heteromonocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine

... > chemical entity > molecular entity > polyatomic entity > molecule > cyclic compound > heterocyclic compound > heteromonocyclic compound > organic heteromonocyclic compound > diazines > pyrimidines > 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine