Fig. 2 in Identification and occurrence of phenylethanoid and iridoid glycosides in six Polish broomrapes (Orobanche spp. and Phelipanche spp., Orobanchaceae)

Fig. 2. Chemical structures of 18 phytochemicals identified in six studied broomrape species, including two iridoid glycosides (1 and 2) and 16 phenylethanoid glycosides (3–18).