You can obtain Norephedrine and Cathine (Phenylpropanolamine) from Khat. You can reduce Norephedrine and Cathine (Phenylpropanolamine) to Dextroamphetamine using Iodine and Aluminum Phosphide (Aluminum Phosphide can replace Red Phosphorus, but there's a higher chance of toxic Phosphine gas)...
alp/i2
aluminumphosphideandiodine
cathine
iodineandaluminumphosphideiodineand red phosphorus alternative
khat
norephedrine
norephedrine to amphetamine alp/i2
norephedrine to dextroamphetamine
phenylpropanolamine