Grapefruit Juice Cocktails

Cloister: gin, Chartreuse, grapefruit juice, lemon juice, simple syrup,
Good Hurt: rum, grapefruit juice, Dubonnet, simple syrup,
Palm Beach Special: gin, sweet vermouth, grapefruit juice,
Shifting Sands: gin, maraschino liqueur, grapefruit juice, lemon juice, soda water,