... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > one-carbon compound > methylmercury chloride

... > chemical entity > molecular entity > transition element molecular entity > d-block molecular entity > zinc group molecular entity > mercury molecular entity > mercury coordination entity > methylmercury chloride

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > coordination entity > zinc group coordination entity > mercury coordination entity > methylmercury chloride

... > chemical entity > molecular entity > transition element molecular entity > d-block molecular entity > zinc group molecular entity > zinc group coordination entity > mercury coordination entity > methylmercury chloride

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > halogen molecular entity > chlorine molecular entity > methylmercury chloride