cis-2-Heptene6443-92-132 % similar Allyl bromide106-95-632 % similar Ethyl (E)-4-bromobut-2-enoate37746-78-431 % similar 2-Octene111-67-130 % similar 2-Octene13389-42-930 % similar (Z)-Hex-4-en-1-ol928-91-630 % similar (E)-4-Hexen-1-ol928-92-730 % similar