3-Hexyn-2-ol109-50-236 % similar 3-Decyne2384-85-236 % similar 3-Undecyne60212-30-836 % similar 1-Ethoxy-1-butyne14272-91-433 % similar 4-(2-Hydroxypropoxy)-2-butyn-1-ol1606-79-733 % similar 10-Chloro-3-decyne18295-64-233 % similar Methyl 4-hydroxybut-2-ynoate31555-05-231 % similar Methyl 7-hydroxyhept-5-ynoate50781-91-430 % similar