3,5-Diphenyl-1H-pyrazole derivatives. VI Esters and 2-dialkylaminoethyl ethers of 1(2-hydroxy-2-phenylethyl)-3,5-diphenyl-1H-pyrazole and N,N-disubstituted 1-(2-amino-2-phenylethyl)-3,5-diphenyl-1H-pyrazoles with depressant and platelet antiaggregating activities