MARINA: Perhaps you'd like a little vodka?
ASTROV: No. I don't drink vodka every day. And it's so close today… (1.8-9)
ASTROV: [...] [To the workman] Be a good chap and bring me a glass of vodka. (1.262-63)
SEREBRYAKOV: It's stuffy… Sonya, give me the drops on the table!
SONYA: Here. [Gives him the drops.]
SEREBRYAKOV: [crossly] No, not these! One can't ask for anything! (2.82-85)