... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > salt > organic salt > organosulfonate salt > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > sulfur molecular entity > organosulfur compound > organosulfonate salt > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organosulfur compound > organosulfonate salt > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organochalcogen compound > organosulfur compound > organosulfonate salt > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > sulfur molecular entity > organosulfur compound > methanesulfonates > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organosulfur compound > methanesulfonates > methanesulfonate salt > dihydroergotamine mesylate

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organochalcogen compound > organosulfur compound > methanesulfonates > methanesulfonate salt > dihydroergotamine mesylate