... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > alkaline earth molecular entity > alkaline earth salt > magnesium salt > magnesium citrate

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > salt > alkaline earth salt > magnesium salt > magnesium citrate

... > chemical entity > molecular entity > main group molecular entity > s-block molecular entity > alkaline earth molecular entity > magnesium molecular entity > magnesium salt > magnesium citrate