Ho c h. Ch2-c-ch2-ch2-Oh. Ch2 = Ch - Ch- ch2 - c =o - Oh. H2c-Oh-ch2-Oh. Ch2=Ch-ch2-c=Oh. Поезд ALCO c420. Atlas 420 p. Ho:420. H3c-Ch-Oh-ch2-ch3. H3c-Ch-Ch-ch2-Oh. H3c-Ch-ch2-c-ch2-ch2-Oh. Ch3 ch3 Oh--- Ch 2—c--- ch3 ch3. C6h6 c6h5ch ch3. C6h6-Ch=ch2. Ch3cocl c6h6