(5-(19-(alpha-D-Arabinofuranosyloxy)-35-butyl-10,12,14,16,18,22,26,30,34-nonahydroxy-3,5,21,33-tetramethyl-36-oxooxacyclohexatriaconta-4,20-dien-2-yl)-4-hydroxyhexyl)guanidine. 47917-41-9 Primycin Primycin [INN]