1-[3-(Ethylamino)-2-pyridinyl]-4-[(5-hydroxy-2-indolyl)carbonyl]piperazine 136816-96-1 AIDS-005053 AIDS005053 BHAP der Piperazine 1Pyrid 4Indolyl deriv. Piperazine, 1-[3-(ethylamino)-2-pyridinyl]-4-[(5-hydroxy-1H-indol-2-yl)carbonyl]-