摘要 |
<p>I R = H, (1-6C) alkyl opt. substd. by OH or CN, opt. substd. aryl, -CO2R8, -CO2Ph, - -A-OPh, or - -A-Or8 where R8 = (1-4C) alkyl and A = (1-4C) alkylene. X = NR' or -NR'-NR4 where R', R2 and R3 = H, (1-6C)alkyl or Ph and R4 = (1-6C) alkyl, cycloalkyl, alkylaryl, or = CPh2 or R' tog. with R2, R3 or R4 may form a ring. R5 and R6 = H or (1-6C)alkyl. II Salts of I. Antiphlogistics.</p> |