do sb a good turn

do sb a bad turn do sb a disservice do sb a favor do sb a favour do sb a kindness do sb a mischief do sb an injury do sb an injustice do sb brown do sb credit do sb dirt do sb down

vanadyl chloride vanadyl dibromide vanadyl dichloride vanadyl semichloride vanadyl sulfate vanadyl xanthate vanadylic vanadylic bromide vanadylic chloride vanadylic sulfate