Key building blocks of natural product biosynthesis and their significance in chemistry and medicine.
D000470:Alkaloids / Q000096:biosynthesis; D001669:Biochemical Phenomena; D001671:Biochemistry; D001688:Biological Products / Q000378:metabolism*; D055598:Chemical Phenomena; D002621:Chemistry; D008511:Medicine; D010944:Plants / Q000378:metabolism*; D011166:Porphyrins / Q000096:biosynthesis; D013256:Steroids / Q000096:biosynthesis
D000470:Alkaloids; D001688:Biological Products; D011166:Porphyrins; D013256:Steroids