1-Allylpiperazine13961-36-931 % similar Allyl methyl sulfide10152-76-830 % similar N,N'-Di-2-propen-1-ylurea1801-72-530 % similar 1,6-Heptadiene3070-53-930 % similar Azetidine hydrochloride36520-39-530 % similar 1,7-Octadiene3710-30-330 % similar