1-Allylpiperazine13961-36-9 1-Amino-3-cyclopentene hydrochloride91469-55-5 1-Anilino-3-phenylimino-1-propene hydrochloride50328-50-2 1-Benzyl-1,2,3,6-tetrahydropyridine-4-boronic acid pinacol ester1048976-83-5 1-Bicyclo[2.2.1]hept-5-en-2-ylethanone5063-03-6 1-Boc-4-methylenepiperidine159635-49-1 1-Bromo-1,2,2-trifluoroethene598-73-2 1-Bromo-1,2,2-triphenylethene1607-57-4 1-Bromo-2-butene4784-77-4 1-Bromo-3,3,3-trifluoro-2-(trifluoromethyl)-1-propene382-15-0 1-Bromo-3,3,3-trifluoroprop-1-ene149597-47-7 1-Bromo-6,6-dimethylhept-2-en-4-yne126764-15-6 1-Butene106-98-9 1-Caffeoylquinic acid1241-87-8 1-Cbz-4-methylene-piperidine138163-12-9 1-Chloro-1-fluoroethylene2317-91-1 1-Chloro-1-propene590-21-6 1-Chloro-1,2-difluoroethylene359-04-6 1-Chloro-2-[(1Z)-3-chloro-2-(4-fluorophenyl)-1-propen-1-yl]benzene133001-05-5 1-Chloro-2-fluoroethylene460-16-2