colistin, polymyxin e molecule. it is cyclic polypeptide antibiotic. paper packaging for drugs

colistin polymyxin colistine kidney membrane skeletal antibacterial detergent resistance antibiotic colistimethate gramnegative lastresort mcr1 nephrotoxicity paenibacillus polymyxa polypeptide drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular illustration vector paper packaging drug