по Tamara Melik 1 года назад
110
Больше похоже на это
от melodii chan
от NURUL NADIA BINTI NARONI / UPM
от John Rodgers
от Sage LI
Contain benzene unit
Alternating single and double bonds between carbons
Six Carbon ring
hydrogen atoms attached
Triple bond between carbons
Double bond between carbons
Saturated with hydrogen