CREATE TABLE Doctor (
    ssn CHAR(11) PRIMARY KEY,
    name CHAR(30),
    specialty CHAR(30),
    yearsOfExperience INTEGER
);

CREATE TABLE Pharmacy (
    pharm_id CHAR(11) PRIMARY KEY,
    name CHAR(30),
    address CHAR(30),
    phone INTEGER
);

CREATE TABLE Pharm_co (
    name CHAR(30) PRIMARY KEY,
    phone INTEGER
);

CREATE TABLE Pri_Phy_Patient (
    ssn CHAR(11) PRIMARY KEY,
    name CHAR(20),
    age INTEGER,
    address CHAR(20),
    phy_ssn CHAR(11),
    FOREIGN KEY (phy_ssn) REFERENCES Doctor(ssn)
);

CREATE TABLE Make_Drug (
    trade_name CHAR(20) PRIMARY KEY,
    pharm_co_name CHAR(30) PRIMARY KEY,
    formula VARCHAR(100)
    FOREIGN KEY (pharm_co_name) REFERENCES Pharm_co(name)
);

CREATE TABLE Prescription (
    pre_id NUMBER(10) PRIMARY KEY,
    status CHAR(20), --  canceled/ready/pending/completed
    drop_off_time TIMESTAMP,
    pick_up_time TIMESTAMP,
    ssn CHAR(11),  -- patient’s ssn
    phy_ssn CHAR(11),
    pre_date CHAR(11),
    quantity INTEGER,
    trade_name CHAR(20),
    name CHAR(11),
    pharm_co_name CHAR(30),
    FOREIGN KEY (ssn) REFERENCES Pri_Phy_Patient(ssn),
    FOREIGN KEY (phy_ssn) REFERENCES Doctor(ssn),
    FOREIGN KEY (trade_name) REFERENCES Make_Drug(trade_name),
    FOREIGN KEY (pharm_co_name) REFERENCES Make_Drug(pharm_co_name)
);

CREATE TABLE Contract (
    pharm_id CHAR(11) PRIMARY KEY,
    start_date CHAR(11),
    end_date CHAR(11),
    text VARCHAR(4000),
    supervisor CHAR(20),
    pharm_co_name CHAR(30) PRIMARY KEY,,
    FOREIGN KEY (pharm_id) REFERENCES Pharmacy(pharm_id),
    FOREIGN KEY (pharm_co_name) REFERENCES Pharm_co(name)
);

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FOREIGN KEY (pharm_co_name) REFERENCES Pharm_co(name))' at line 5