Ethynylbenzene 536-74-3 P124 117706_ALDRICH WLN: 1UU1R AIDS-017519 AIDS017519 AI3-24180 EINECS 208-645-1 NSC 4957 ST5214525 ETHYNYL-BENZENE (PHENYLACETYLENE) InChI=1/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7 Phenylacethylene 1-Phenylethyne Acetylene, phenyl- Benzene, ethynyl- Ethyne, phenyl- NSC4957 Phenylacetylene Phenylacetylide Phenylethyne 77840_FLUKA